The coordinates of point Q in the parallelogram is (2b + 2a,2c)
1)How to determine the coordinates of Q?The coordinates are given as:
P(2b, 2c) Q(?, ?) S(0, 0) R(2a, 0)
The parallelogram form of the object indicates that the distances PQ and RS are equal.
The distance RS is calculated as:
RS = ( 2a - 0, 0)
This gives
RS = (2a, 0)
Coordinate Q is calculated as:
Q = P + RS
This gives
Q = (2b,2c) + (2a,0)
Evaluate the sum
Q = (2b + 2a,2c)
Hence, the coordinates of point Q is (2b + 2a,2c)
2)To prove: SQ and PR bisect each otherMidpoint of SQ=(b+ a ,c)
Midpoint of PR=(a+ b, c)
hence, SQ and PR bisect each other.
To know more about parallelogram, visit:
https://brainly.com/question/29147156
#SPJ1
A nurse is teaching personal hygiene care techniques to a client with genital herpes. Which statement by the client indicates the teaching has been effective?
"I should rub rather than scratch in response to itching." "I will apply a water-based lubricant to my lesions." "I can pour hydrogen peroxide and water over my lesions." "I will wear loose cotton underwear."
By understanding these techniques, the client will be better able to manage the symptoms of genital herpes and reduce the risk of further infections.
The client's statement that "I should rub rather than scratch in response to itching" indicates that the teaching has been effective. This response demonstrates an understanding of the importance of not scratching, as scratching can lead to further irritation and infection. It is also important to ensure that the client understands the other hygiene care techniques they should be using when living with genital herpes. These include applying a water-based lubricant to their lesions, avoiding tight clothing such as underwear and pants, and keeping the area clean and dry by using a mild soap or diluted hydrogen peroxide and water.
for such more questions on techniques
https://brainly.com/question/30634430
#SPJ11
35/ x-3 X-7/4
Solve for X
(Cross multiple fractions)
Answer:
x = -7, 17.
Step-by-step explanation:
I am assuming it's:
35/ x-3 = X-7/4
(x - 3)(x - 7) = 4*35
x^2 - 10x + 21 = 140
x^2 - 10x - 119 = 0
(x - 17)(x + 7) = 0
x = -7, 17.
PLEASE HELP, DUE NOW
Which of the following equations represents a linear function?
y equals two thirds times x squared
x = 5
y equals negative one fourth times x plus 5
2x + 7 = 12
According to the question this equation represents a single point in the xy-plane, and does not have a constant rate of change. It doesn't have a linear function as a result.
Explain equation?When the roots and solutions of two equations match, they are said to be equivalent. The same number, symbols, or expression must be added to or subtracted from both the equation's two sides to produce an equivalent equation. By multiplying or dividing both sides of an equation by a nonzero number, we can also obtain an analogous equation.
Equation representing a linear function:
Y is equivalent to x plus 5 times the negative one-fourth.
Linear functions have a constant rate of change, which means that as x increases or decreases by a certain amount, y also changes by a constant amount. The equation y equals negative one fourth times x plus 5 has a constant slope of negative one fourth, which means that for every increase of one in x, y will decrease by one fourth. This is a characteristic of a linear function.
The equation y equals two thirds times x squared represents a quadratic function, which has a curved graph.
The equation x = 5 is a linear equation, but it only represents a vertical line passing through x = 5. It does not have a slope or a y-intercept, which are necessary for a linear function.
The equation 2x + 7 = 12 can be simplified to a linear equation of the form y = mx + b by solving for y:
2x + 7 = 12
2x = 5
x = 5/2
Substituting x = 5/2 back into the equation gives:
y = 2(5/2) + 7 = 12
This equation represents a single point in the xy-plane, and does not have a constant rate of change. Therefore, it is not a linear function.
To know more about equation visit:
https://brainly.com/question/2972832
#SPJ1
avery takes a sheet of paper and makes a diagonal cut from one corner to the opposite corner, making two triangles. The cut she makes is 13 inches long and the width of the paper is 5 inches. What is the paper's length ?
Answer:
5 inches
Step-by-step explanation:
QUESTION 1. Assume we are testing a function with 3 variables:
Variable A: has values 0 and 1
Variable B: has values 0 and 1
Variable C: has values 0 and 1
What is the total 2-way variable value configuration coverage achieved by the following tests:
A=0; B=0; C=1
A=0; B=1; C=1
A=1, B=0, C=0
The total 2-way variable achieved by the given tests is 6.
How to find 2-way variable?
There are three pairs of variables, and each pair can have two possible values, resulting in 2-way variable value configurations. Therefore, the total 2-way variable value configuration coverage achieved by the given tests is 6, as follows:
A=0, B=0
A=0, C=1
B=0, C=1
A=0, B=1
A=1, B=0
A=1, C=0
Learn more about 2-way variable
brainly.com/question/29435977
#SPJ11
a town doubles its size every 38 years. if the population is currently 6,790, what will the population be in 76 years?
Population will be 43,160 in 76 years if a town doubles its size every 38 years if the current population is 6,790.
Since the town doubles in size every 38 years, we can use the formula:
P = P0 * 2^(t/T)
where P0 is the initial population, P is the population after time t, and T is the doubling time (38 years in this case).
We know that the current population is P0 = 6,790, and we want to find the population in 76 years, which is t = 76. Plugging these values into the formula, we get:
P = 6,790 * 2^(76/38)
P = 6,790 * 2^2
P = 6,790 * 4
P = 27,160
Therefore, the population of the town will be 27,160 in 76 years.
To know more about time refer here:
https://brainly.com/question/15356513#
#SPJ11
THIS IS URGENT AM I CORRECT PLEASE HALP!!!!!
Answer: you are
Step-by-step explanation:because how long is the amount of time it takes to get in the firetruck. Simply put yes you add the minutes it takes
a spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.3 cm/min. at what rate is the volume of the snowball decreasing when the diameter is 12 cm.
The rate of decrease in volume of the snowball when its diameter is 12 cm is approximately 1.36 cm³/min.
When a spherical snowball is melting, it's diameter decreases at a rate of 0.3 cm/min. The rate of change of volume of a sphere is given by:dV/dt= (4π/3)r²(dr/dt)Since the diameter is given as 12 cm, the radius of the snowball is 6 cm.So the diameter is decreasing at a rate of 0.3 cm/min.
We are to find the rate of decrease in volume of the snowball when the diameter is 12 cm.The radius of the snowball is given by r = 6 cm, and the rate of change of its diameter is d = -0.3 cm/min.At this point, we need to calculate the rate of decrease in volume of the snowball when the diameter is 12 cm.
The rate of decrease in volume of the snowball is given bydV/dt = (4π/3)r²(dr/dt)dV/dt = (4π/3)(6 cm)²(-0.3 cm/min)≈ -1.36 cm³/minTherefore, the rate of decrease in volume of the snowball when the diameter is 12 cm is approximately -1.36 cm³/min.
To know more about volume click on below link:
https://brainly.com/question/1578538#
#SPJ11
Which of the following is a point of tangency on the circle below?
A. Point Y
B. Point Z
C. Point W
D. Point X
Based on the diagram, the point of tangency is Point Z. Therefore, the answer is B.
What is point of tangency?A point of tangency is a point at which a straight line, called a tangent line, touches a curve or a circle at only one point.
At the point of tangency, the tangent line is perpendicular to the radius of the circle that intersects the point of tangency.
The point of tangency is the point where a tangent line to the circle touches the circle at only one point.
In the given diagram, the line segment XZ appears to be a tangent to the circle.
Therefore, the point of tangency is the point where the line segment XZ touches the circle.
To know more about tangent line visit:
https://brainly.com/question/30162653
#SPJ9
find the volume of the triangular prism 2.4 cm 3.6 cm 6 cm
Answer:
25.92cm²
Step-by-step explanation:
First, do 2.4x3.6=8.64
then multiply by length so 8.64x6=25.92
Hope this helps
Which number correctly completes the ratio table?
2 8 13 14
16 Square 104 112
A. 64
B. 48
C. 40
D. 32
Using a constant factor, the number that completes the ratio table is calculated as: A. 64.
How to Solve Ratio Table?To complete the ratio table, we can observe that each number in the second row is obtained by multiplying the corresponding number in the first row by a constant factor of 8.
Thus, the ratio of the first row number to the second row number is 1:8.
This means that:
2 * 8 = 16
13 * 8 = 104
8 * 8 = 64.
Therefore, we can also get the correct number that completes the ratio table by multiplying 8 by 8, which is:
8 * 8 = 64.
So, the missing number in the ratio table is: A. 64.
Learn more about ratio on:
https://brainly.com/question/13513438
#SPJ1
student id numbers are created using the digits 0-9. how many five- digit student id numbers can be created if repeat digits are allowed? what if repeats are not allowed?
There are 100,000 possible five-digit student ID numbers that can be created if repeat digits are allowed (10^5).
However, if repeats are not allowed, there are only 9 x 9 x 9 x 9 x 9 = 590,490 possible student ID numbers that can be created (9^5).
The reason for the difference is that when repeats are allowed, you can use the same digit multiple times, for example "11111".
When repeats are not allowed, you can only use each digit once, for example "12345". The possible permutations of the digits 0-9 increase as more digits are added to the ID number, meaning that the more digits there are, the more possible combinations there are.
Therefore, when repeats are not allowed, the number of possible combinations is reduced significantly. In the case of five-digit student ID numbers, the difference is almost twofold.
To know more about combinations click on below link:
https://brainly.com/question/20211959#
#SPJ11
PLEASE HELP MEEEEEEEEEEE!
What is the measure of the unknown angle?
A straight angle divided into a fifty-eight-degree angle and an unknown angle.
100°
112°
120°
122°
Therefore , the solution of the given problem of angles comes out to be the right response is option d 122°.
An angle meaning is what?Using Cartesian coordinates, the top and bottom walls divide the circular lines that make up a skew's ends. There is a chance that two poles will meet at a junction point. Angle is another outcome of two things interacting. They mirror dihedral forms the most. A two-dimensional curve can be created by arranging two line beams in various ways at their extremities.
Here,
180 degrees is the length of a straight circle. It has been split into a 58-degree angle and an unidentified angle, as far as we are aware. So that we can determine the size of the undetermined angle, let's use subtraction:
=> Angle unknown = 180 degrees minus 58 degrees
=> Angle unknown = 122 degrees
As a result, the undetermined angle is 122° in size.
The right response is (d) 122°.
To know more about angles visit:
https://brainly.com/question/14569348
#SPJ1
Some of the dimensions of a house are shown below.
Calculate the length u.
Give your answer in metres to 2 d.p.
56°
1.65 m
u
43°
Not drawn accurately
Using trigonometric relations we can see that u = 4.28m
How to find the length of u?First we can find the length of the shared side using the trigonometric relation:
tan(56°) = x/1.65m
1.65m*tan(56°) = x
2.45m = x
Then the length of the bottom side of the right triangle in the right side is iven by:
tan(43°) = 2.45m/y
Solving for y:
y = 2.45m/tan(43°)
y = 2.63m
Then the length of u is:
u = 1.65m + 2.63m = 4.28m
Learn more about right triangles at:
https://brainly.com/question/2217700
#SPJ1
Evaluate q2 + (r5 -10) if q = 5 and R = 2
Answer:
q=5,R=2
Step-by-step explanation:
=5×2+(2×5-10)
=10+(10-10)
=10+0
=10
which of the following is a longitudinal study? researchers test the intelligence of all the students in a high school. intelligence tests are given to the residents of a nursing home. researchers randomly select 50 students from a high school with 2000 students. the 50 students are given intelligence tests. a group of college juniors is given an extensive battery of tests over a period of 2 days. a group of kindergartners is given an intelligence test. they are retested every other year for 30 years.
Only the final option, which is typical of a longitudinal study, calls for retesting the same set of individuals over a lengthy period of time.
what is probability ?It is a numerical value that runs from 0 to 1, with 0 denoting the impossibility of an event and 1 denoting its certainty. The probability of an event A is expressed mathematically as P(A), where P(A) is the number of possible ways that event A could happen divided by the total number of outcomes.
given
The final choice is the long-term study: "An intelligence test is given to a class of kindergarteners. During 30 years, they are retested every other year."
In a longitudinal study, a group of individuals are followed over a lengthy period of time, frequently years or even decades. A longitudinal study's goal is to look at how people change or grow over time and to pinpoint any potential contributing elements.
Only the final option, which is typical of a longitudinal study, calls for retesting the same set of individuals over a lengthy period of time.
To know more about probability visit:
https://brainly.com/question/11234923
#SPJ1
Write the equation y - 6 = -5(x + 1) in
slope-intercept form.
answer - y = -5x + 1
Need help it’s due tomorrow for test corrections!!
We know that the temperature was 56°F at midnight, so we can plot the point (24, 56)
What is graph ?
Graph can be defined as visual representation of given data using the ordered pairs.
To graph Elroy's data, we can use the x-axis to represent the time of day in hours and the y-axis to represent the temperature in degrees Fahrenheit.
First, we can plot the point (6, 50) to represent the temperature at 6am.
Next, we can use the information that the temperature rose 3° per hour for the next 4 hours. This means that at 10am, the temperature would be 50 + 3(4) = 62°F. We can plot this point at (10, 62). Similarly, we can find the temperature at 7am, 8am, and 9am using the same formula and plot those points as well.
Then, we can use the information that the temperature rose 2° per hour for the next 6 hours. This means that at 4pm, the temperature would be 62 + 2(6) = 74°F. We can plot this point at (16, 74). Similarly, we can find the temperature at 11am, 12pm, 1pm, 2pm, and 3pm using the same formula and plot those points as well.
The temperature then stayed steady until 6pm, so we can draw a horizontal line at y = 74 from 4pm to 6pm.
For the next 2 hours, the temperature dropped 1° per hour. This means that at 8pm, the temperature would be 74 - 2 = 72°F. We can plot this point at (20, 72). Similarly, we can find the temperature at 7pm using the same formula and plot that point as well.
Therefore, we know that the temperature was 56°F at midnight, so we can plot the point (24, 56).
To learn more about Graph from given link.
https://brainly.com/question/17267403
#SPJ1
You visit an orchard. The probability that you randomly select a ripe apple is 92%. The probability that you randomly select a ripe cherry is 86%. Design and use a simulation to estimate the probability that you pick an apple that is ripe and a cherry that is not ripe
We calculate that the probability of selecting an unripe cherry and an apple is roughly 6.22%.
To estimate the probability that you pick an apple that is ripe and a cherry that is not ripe, we can use a simulation. Here's one way to do it:
Start by creating a large number of simulations. For example, we could simulate 10,000 visits to the orchard.For each simulation, randomly select an apple and a cherry from the orchard. Use the given probabilities to determine whether each fruit is ripe or not. For example, we could use a random number generator to select a number between 0 and 1, and if the number is less than or equal to 0.92, we consider the apple to be ripe. Similarly, if the number is less than or equal to 0.86, we consider the cherry to be ripe.Check whether the apple is ripe and the cherry is not ripe. If both conditions are true, count this as a success. If not, count it as a failure. After simulating a large number of visits to the orchard, divide the number of successes by the total number of simulations to get an estimate of the probability. For example, let's say we simulate 10,000 visits to the orchard using the method described above. After counting the number of successes and failures, we find that there were 622 visits where we picked a ripe apple and a non-ripe cherry. The estimated probability of this happening is therefore:622 / 10,000 = 0.0622, or approximately 6.22%.
Therefore, based on this simulation, we estimate that the probability of picking a ripe apple and a cherry that is not ripe is approximately 6.22%. Note that the actual probability may be slightly different due to the random nature of the simulation.
To learn more about probability click here
brainly.com/question/30034780
#SPJ4
Philippe knows there is a $20\%$ chance that it will rain tomorrow and an $80\%$ chance that it will not rain tomorrow. Part A Philippe considers making a spinner to simulate the probability of it raining tomorrow. Describe what the spinner could lPhilippe knows there is a $20\%$ chance that it will rain tomorrow and an $80\%$ chance that it will not rain tomorrow. Part A Philippe considers making a spinner to simulate the probability of it raining tomorrow. Describe what the spinner could look like and the steps he should take to perform the simulation. Ook like and the steps he should take to perform the simulation
Philippe can perform a simulation of rain or no rain for tomorrow by spinning a spinner with two sections labeled "Rain" and "No rain."
The spinner could be divided into two sections, one labeled "Rain" and the other labeled "No rain." To perform the simulation, Philippe would need to give the spinner a spin and observe which section it lands on. If it lands on the "Rain" section, he would consider that as an outcome of rain for tomorrow, and if it lands on the "No rain" section, he would consider that as an outcome of no rain for tomorrow. To make the simulation more accurate, he could repeat the process multiple times and record the number of times the spinner lands on each section.
Learn more about probability here: brainly.com/question/30034780
#SPJ4
Which of the following statements are true? Select all that apply. The correlation coefficient, r , is equal to the number of data points that lie on the regression line divided by the total number of data points. The correlation coefficient gives us information about the number of outliers compared to the number of data points. The correlation coefficient is a unitless number and must always lie between –1.0 and +1.0, inclusive. The correlation coefficient, r , gives us information about the strength and direction of a linear relationship between any two variables. If r is the correlation between two variables x and y then -r is the correlation between y and x . The larger r is in absolute value, the stronger the relationship is between the two variables.
The correlation coefficient measures the linear relationship between two variables, meaning that it assumes that the relationship between the two variables can be described by a straight line. Thus option C, D, E, F is correct.
What is the correlation coefficient?The following statements are true:
The correlation coefficient is a unitless number and must always lie between –1.0 and +1.0, inclusive.
The correlation coefficient, r, gives us information about the strength and direction of a linear relationship between any two variables.
If r is the correlation between two variables x and y then -r is the correlation between y and x.
The larger r is in absolute value, the stronger the relationship is between the two variables.
The statement "The correlation coefficient gives us information about the number of outliers compared to the number of data points" is false.
The statement "The correlation coefficient, r, is equal to the number of data points that lie on the regression line divided by the total number of data points" is also false.
Therefore, The larger r is in absolute value, the stronger the relationship is between the two variables.
Learn more about coefficient here:
https://brainly.com/question/30066987
#SPJ9
Graph the circle x²+(y+6)²=4
Use the points to adjust the graph. Moving the center will move the entire figure.
By adding or removing numbers from the x and y coordinates, we can change the graph's orientation by moving the circle's center.
what is circle ?A circle in mathematics is a closed form in which every point is situated at an equal distance from the circle's center. The radius of the circle is the distance measured from any location on the circle to its center. The center and radius of a circle, as well as its equation in the coordinate plane, can be used to characterize it. The standard version of a circle's equation is (x - h)2 + (y - k)2 = r2, where (h, k) is the circle's center and r is its radius.
given
Using the methods below, we can graph the circle x2+(y+6)2=4:
Determine the circle's radius: Since r2 = 4 in the provided equation, r must equal 2.
Plotting locations on the circle can be done by using the equation x2+(y+6)2=4 and changing the value of x to find the value of y. As an illustration, if x = 0, we obtain (y+6)2 = 4, which gives us either y = -8 or y = -4. The points (0, -8) and (0, -4) can now be plotted on the coordinate surface.
Create a circle: Using the radius and center, we can create a circle that passes through the plotted coordinates (0, -8) and (0, -4).
By adding or removing numbers from the x and y coordinates, we can change the graph's orientation by moving the circle's center.
To know more about circle visit:
https://brainly.com/question/29142813
#SPJ1
please help 20 points 10 ft 20 ft 15 ft Find the area. A = [?] ft² Round to the nearest hundredth. Remember: A = πr² Use 3.14 for π. Enter
Answer:
about 307.08 square feet
Step-by-step explanation:
[tex] \frac{1}{2} (20)(15) + \frac{1}{2} \pi( {10}^{2} ) = 307.08[/tex]
According to a national survey of youth, only ______ of adolescents got eight or more hours of sleep on an average school night.
According to a national survey of youth, only about 30% of adolescents got eight or more hours of sleep on an average school night.
What is sleep?
Sleep is a process of the human body that occurs naturally, which restores the body and mind's strength. It helps one's mind and body to remain healthy by allowing the body to rest, regenerate, and re-energize.Sleep is essential for one's well-being, particularly for adolescents.
According to a national survey, only about 30% of adolescents got eight or more hours of sleep on an average school night.
Lack of sleep is a common issue among young people, and it can lead to a variety of health issues.
Sleep plays an essential role in our daily lives, particularly for young people.
Adolescents need at least eight hours of sleep per night to maintain good health and well-being.
To know more about National survey:
https://brainly.com/question/1448699
#SPJ11
olympic gold medal has a gram of 586 grams. what is the mass of a 2018 olympic gold medal in hectograms
The mass of a 2018 Olympic gold medal in hectograms is 58.6 hg.
First, we need to know the mass of the Olympic gold medal in grams. According to the question, the mass of an Olympic gold medal is 586 grams.
To convert grams to hectograms, we need to divide the mass in grams by 100. This is because there are 100 grams in 1 hectogram.
To do the division, we can use a calculator. Dividing 586 by 100 gives us 5.86.
The answer we get is in hectograms, so we can write it as 5.86 hg. This means that the mass of a 2018 Olympic gold medal is 5.86 hectograms.
To know more about hectograms, refer here:
https://brainly.com/question/1058206#
#SPJ11
Describe two different ways to obtain the image below.
The given image is trapezoid and to obtain the image there are two different ways: 1. Plotting the points 2. Transformations
What is trapezoid?
In geometry, a trapezoid is a four-sided polygon that has at least one pair of parallel sides. The parallel sides of a trapezoid are called bases, while the non-parallel sides are called legs.
The image below appears to be a trapezoid with vertices at A(2,2), B(4,5), C(6,5), and D(8,2). There are several ways to obtain this image, but here are two possible methods:
Method 1: Plotting the Points
One way to obtain the image is to plot the points A, B, C, and D on a coordinate plane, and then connect them in the correct order to form the trapezoid. Here are the steps:
Draw a coordinate plane with x and y axes.
Plot the point A at (2,2).
Plot the point B at (4,5).
Plot the point C at (6,5).
Plot the point D at (8,2).
Connect the points A, B, C, and D in the order ABDC to form the trapezoid.
Method 2: Transformations
Another way to obtain the image is to start with a reference trapezoid with known vertices, and then apply a sequence of transformations to obtain the desired trapezoid. Here are the steps:
Start with a reference trapezoid with vertices at (0,0), (2,3), (4,3), and (6,0). This trapezoid has the same shape as the desired trapezoid, but is located in a different position on the coordinate plane.
Translate the reference trapezoid 2 units to the right and 2 units up by adding (2,2) to each vertex. This results in a trapezoid with vertices at (2,2), (4,5), (6,5), and (8,2), which is the desired trapezoid.
(Optional) Rotate or reflect the trapezoid as desired to obtain different orientations or symmetries.
To learn more about trapezoid visit:
https://brainly.com/question/1410008
#SPJ1
According to Hofstede, societies that accept strong hierarchical boss-subordinate relationships are high on power distance T/F
True, according to Hofstede, societies that accept strong hierarchical boss-subordinate relationships are high on power distance.
What is Power Distance?Power distance is a cultural dimension used by Hofstede that focuses on how society views and deals with inequality. A high power distance society has a deep respect for authority figures and the established order. Such a society usually has a complex hierarchical structure, with clear distinctions between high and low-status individuals. Low power distance societies, on the other hand, value egalitarianism and seek to minimize the distinction between high and low-status individuals.
What is Hofstede's framework?Hofstede's cultural dimensions theory is a framework for cross-cultural communication that was first proposed by Geert Hofstede. It distinguishes national cultures into six dimensions, with each dimension ranging from "low" to "high."
Here are the six dimensions:
Power DistanceUncertainty AvoidanceIndividualism vs CollectivismMasculinity vs FemininityLong-term Orientation vs Short-term OrientationIndulgence vs RestraintIn conclusion, according to Hofstede, societies that accept strong hierarchical boss-subordinate relationships are high on power distance. True.
To know more about the "power distance": https://brainly.com/question/28537767
#SPJ11
In a sale, the normal price of a boat is reduced by 15%
The sale price of the boat is £272 000
Work out the normal price of the boat.
Answer:
£320 000
Step-by-step explanation:
Let x = original price of the boat.
When you reduce a price by 15%, what percent remains in the sale price?
100% - 15% = 85%
After reducing the price of the boat by 15%, the sale price is 85% of the original price.
85% of x = £272 000
0.85x = 272 000
Divide both sides by 0.85
x = 320 000
Answer: £320 000
number of calls coming to the customer care center of a mobile company per minute is a poisson random variable with mean 5. find the probability that no call comes in a certain minute
The given information says that the number of calls coming to the customer care center of a mobile company per minute is a Poisson random variable with a mean of 5, So the probability that no call comes in a certain minute is 1
What is the Poisson distribution?A Poisson distribution is a probability distribution that shows the probability of a certain number of events occurring within a specific time or space, provided that these events occur at an average rate that is constant throughout the space or time.
Given a Poisson random variable with mean λ, the probability of observing x occurrences of an event in a certain time interval is given by:
P(X = x) = (e^(-λ) * λ^x) / x!,
where e is Euler's number (approximately equal to 2.71828).
We are required to find the probability that no call comes in a certain minute, i.e., P(X = 0).
Substituting the given values into the Poisson distribution formula:
P(X = 0) = (e^(-5) * 5^0) / 0!
= (1 * 1) / 1
= 1
Therefore, the probability that no call comes in a certain minute is 1.
Learn more about Poisson random variable with a mean at: https://brainly.com/question/9123296
#SPJ11
explain the real-world meaning of the parameters a, b, and c of the quadratic function model. based on data from 1990 to 2003, the amount of money spent on prescription drugs (per capita) can be modeled by
The parameters a, b, and c of a quadratic function model have different real-world meanings that relate to the specific context of the data being analyzed. In the case of the quadratic function model used to analyze the amount of money spent on prescription drugs per capita between 1990 and 2003.
The parameters can be defined as follows:
a: The parameter a represents the coefficient of the squared term in the quadratic function model. In the context of the amount of money spent on prescription drugs per capita, a represents the curvature of the relationship between time and spending.
A positive value of a indicates a U-shaped curve, while a negative value of a indicates an inverted U-shaped curve.
b: The parameter b represents the coefficient of the linear term in the quadratic function model. In the context of the amount of money spent on prescription drugs per capita, b represents the rate of change of spending over time.
A positive value of b indicates that spending is increasing over time, while a negative value of b indicates that spending is decreasing over time.
c: The parameter c represents the intercept of the quadratic function model. In the context of the amount of money spent on prescription drugs per capita, c represents the initial amount of spending at the beginning of the time period being analyzed.
Hence, a represents the curvature of the relationship between time and spending, b represents the rate of change of spending over time, and c represents the initial amount of spending at the beginning of the time period.
To know more about quadratic function model, refer here:
https://brainly.com/question/28863338#
#SPJ11