There are 20 Skittles in a bag. Five of them are orange and three of them are blue. Find the probability that you would choose an orange Skittle, replace it, and then choose a blue Skittle.

The best measure of center for the data is Option D: The median, and it equals 8.

What is median?

In mathematics, the middle number in a sorted list of numbers is referred to as the median. By arranging the numbers, the middle number can be discovered. Ascending order is used to arrange the numbers. The middle number in the ordered set of numbers is referred to as the data set's median.

The best measure of center for this data is the median because the data is skewed and has outliers.

The median is the middle value when the data is arranged in order, which is less sensitive to outliers than the mean.

To find the median, we need to count the number of data points and find the middle value -

1, 6, 6, 7, 7, 8, 8, 8, 9, 9, 9

We have 11 data points, so the median is the 6th value -

Median = 8

Therefore, the best measure of center for the data is the median, and its value is 8.

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The percentage of 8th graders who send more than 50 texts is 56.15%

Here we want to find the percentage of eight grades who send more than 50 texts, and to get that we need to use the values in the table.

The formula for that percentage is:

P = 100%*(number that send more than 50 texts)/(total number)

On the table we can see that the total number of 8th gradesr is 130, and the number that send more than 50 messages is 73, then the percentage is:

P  = 100%*(73/130)

P = 56.15%

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Answer:

8

Step-by-step explanation:

The box contains a total of 4 x 12 = 48 eggs.

If we arrange these eggs in 6 rows, we need to divide the total number of eggs by 6:

48 ÷ 6 = 8

Therefore, there will be 8 eggs in each row.

Answer:

(a) Pour montrer que la suite (Un) est géométrique, il suffit de vérifier que le quotient de deux termes consécutifs est constant. Soit n un entier naturel non nul. Alors :

Un+1 / Un = (Un-4) / (Un) = 1 - 5/Un

Donc, pour tout n E N*, on a :

Un+1 / Un = 1 - 5/Un = (Un / Un) - (5/Un) = (Un - 5) / Un

On a bien trouvé une raison q = -5/1, et un premier terme U1 = U1 - 5.

(b) La raison de la suite (Un) est q = -5/1. En utilisant la formule générale de la suite géométrique, on obtient :

Un = U1 * q^(n-1) = (U1 - 5) * (-5)^(n-1)

En particulier, on a :

U_n = U_1 * q^{n-1} = (U_1 - 5) * (-5)^{n-1} = U_12 = (U_1 - 5) * (-5)^{12-1}

(c) On n'a pas suffisamment d'informations pour déterminer la valeur de U1, donc on ne peut pas calculer directement la valeur de U12.

Answer: Bro Didnt give any context dont report if wrong

Step-by-step explanation:

i is the imaginary unit, which is defined as the square root of -1.

To find the value of i^48, we can use the fact that i^2 = -1, and simplify the expression as follows:

i^48 = (i^2)^24

Since i^2 = -1, we can substitute -1 in the above expression:

(i^2)^24 = (-1)^24

Any non-zero number raised to an even power is positive, so (-1)^24 = 1. Therefore:

i^48 = 1

Hence, i^48 is equal to 1.

sin 135°=-√2/2, cos 135° = -√2/2, tan 135° = -1, csc 135°= -√2, sec 135°= -√2, cot 135° = -1; sin (-690°) = -1/2, cos (-690°) =√3/2, tan (-690°) = -√3/3, csc (-690°) = -2, sec (-690°) = 2/√3, cot (-690°) = -√3; sin 225° = -√2/2, cos 225° = -√2/2,  tan 225° = 1, csc 225° =-√2, sec 225° = -√2, cot 225° =-1; sin 1380° = -√3/2, cos 1380° = 1/2, tan 1380° = -√3, csc 1380° = -2/√3, sec 1380° = 2, cot 1380° =-1/√3.

Trigonometric ratios are mathematical functions used to relate the angles of a right triangle to the lengths of its sides. The three primary trigonometric ratios are sine, cosine, and tangent, which are commonly abbreviated as sin, cos, and tan, respectively.

To use these ratios, we typically label the sides of the right triangle relative to the angle we are interested in. The hypotenuse is always the side opposite the right angle and is labeled with the letter "c." The two other sides are labeled relative to the angle we are interested in: the side adjacent to the angle is labeled with the letter "a," and the side opposite the angle is labeled with the letter "b."

The sine of an angle is defined as the ratio of the length of the side opposite the angle (b) to the length of the hypotenuse (c): sin(angle) = b/c.

The cosine of an angle is defined as the ratio of the length of the side adjacent to the angle (a) to the length of the hypotenuse (c): cos(angle) = a/c.

The tangent of an angle is defined as the ratio of the length of the side opposite the angle (b) to the length of the side adjacent to the angle (a): tan(angle) = b/a.

To find the exact values of the six trigonometric functions for each angle, we need to first determine the reference angle, which is the acute angle formed between the terminal side of the angle and the x-axis. Then, we can use the properties of the trigonometric functions in each quadrant to determine the sign and value of each function.

135°

Reference angle = 45° (since 135° is in the second quadrant)

sin 135° = -sin 45° = -√2/2

cos 135° = -cos 45° = -√2/2

tan 135° = -tan 45° = -1

csc 135° = -csc 45° = -√2

sec 135° = -sec 45° = -√2

cot 135° = -cot 45° = -1

-690°

Reference angle = 30° (since -690° is in the fourth quadrant)

sin (-690°) = -sin 30° = -1/2

cos (-690°) = cos 30° = √3/2

tan (-690°) = -tan 30° = -√3/3

csc (-690°) = -csc 30° = -2

sec (-690°) = sec 30° = 2/√3

cot (-690°) = -cot 30° = -√3

225°

Reference angle = 45° (since 225° is in the third quadrant)

sin 225° = -sin 45° = -√2/2

cos 225° = -cos 45° = -√2/2

tan 225° = -tan 45° = 1

csc 225° = -csc 45° = -√2

sec 225° = -sec 45° = -√2

cot 225° = -cot 45° = -1

1380°

Reference angle = 60° (since 1380° is in the second quadrant)

sin 1380° = -sin 60° = -√3/2

cos 1380° = cos 60° = 1/2

tan 1380° = -tan 60° = -√3

csc 1380° = -csc 60° = -2/√3

sec 1380° = sec 60° = 2

cot 1380° = -cot 60° = -1/√3

Note: In the calculations above, we rationalized denominators whenever applicable to obtain exact values.

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Answer:

27.43% of the students scored 83 or more in the exam.

Step-by-step explanation:

We can use the Z-score formula to find the percentage of students scoring 83 or more:

Z = (X - μ) / σ

where X is the test score, μ is the mean test score, and σ is the standard deviation.

Substituting the given values, we get:

Z = (83 - 80) / 5 = 0.6

Using a Z-score table or calculator, we can find the percentage of students scoring 83 or more:

P(Z > 0.6) = 1 - P(Z < 0.6) = 1 - 0.7257 ≈ 0.274

27.43% of the students scored 83 or more in the exam.

OR. USING PROPERTIES OF NORMAL DISTRIBUTION

convert the raw score of 83 into a standardized score, also known as a z-score.

The formula for calculating the z-score is:

z = (x - μ) / σ

Where:

x = raw score

μ = mean

σ = standard deviation

Substituting the values given in the question, we get:

z = (83 - 80) / 5

z = 0.6

This means that a student who scored 83 on the exam has a z-score of 0.6.

Next, we need to find the area under the normal distribution curve to the right of this z-score. We can use a standard normal distribution table or calculator for this purpose.

Using a standard normal distribution table, we find that the area to the right of z = 0.6 is approximately 0.2743.

Therefore, the percentage of students scoring 83 or more in the exam is approximately:

0.2743 x 100% = 27.43%

So, about 27.43% of students scored 83 or higher on the exam.

Answer:

-9, -6, -4, -2, 2, 3

Step-by-step explanation:

the higher the negative the lower it is

The probability of at least one card being green is 0.807. Here's how to calculate it: Let's define the event G as getting a green card and the event Y as getting a yellow card.

The probability of getting a green card on the first draw is: P(G1) = 9/14
The probability of getting a yellow card on the first draw is: P(Y1) = 5/14
The probability of getting a green card on the second draw, given that the first card was yellow, is: P(G2 | Y1) = 9/13
The probability of getting a green card on the second draw, given that the first card was green, is: P(G2 | G1) = 8/13
The probability of getting a yellow card on the second draw, given that the first card was green, is: P(Y2 | G1) = 5/13
The probability of getting a yellow card on the second draw, given that the first card was yellow, is: P(Y2 | Y1) = 4/13
To calculate the probability of at least one card being green, we need to add up the probabilities of getting a green card on the first draw and a yellow card on the second draw, and the probabilities of getting a green card on the second draw given that the first card was yellow, and getting a green card on the second draw given that the first card was green:
P(at least one green card) = P(G1 and Y2) + P(G2 | Y1)
P(Y1 and G2 | G1) + P(G1 and G2) = 9/14 * 5/13 + 5/14 * 9/13 + 8/14 * 5/13 + 9/14 * 8/13 = 45/182 + 45/182 + 40/182 + 72/182 = 0.807

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The quantity (in pounds) of gourmet ground coffee that is sold by a coffee company at a price of p dollars per pound is Q(p) = 1000 - 40p.

In science and engineering, a quantity is something that has a magnitude or size that may be expressed in numerical terms and that is associated with a unit of measurement. For example, a distance is a quantity with a size expressed in units of length.

A physical quantity that has a directional aspect is referred to as a vector. A quantity is any measurable amount or property of something, typically consisting of a value and a unit of measurement, such as length, weight, volume, or time.

it's also used to refer to a particular sum or amount of something that is counted or measured, such as a number of things or the total amount of a substance.

Therefore, The formula for finding the quantity (in pounds) of a gourmet ground coffee that is sold by a coffee company at a price of p dollars per pound is Q(p) = 1000 - 40p.

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Answer:

number is 8

Step-by-step explanation:

let n be the number then 4 times the number is 4n and increased by 30 means adding 30 to it , that is 4n + 30

70 decreased by the number means subtracting n fro 70 , 70 - n

then

4n + 30 = 70 - n ( add n to both sides )

5n + 30 = 70 ( subtract 30 from both sides )

5n = 40 ( divide both sides by 5 )

n = 8

Law of Cosines Of A Triangle -GIVEN: C (the degree) 20, 22,18 (the base). C is 26.5 degrees.

To solve for the angle C using the law of cosines, we use the formula:

[tex]c^2 = a^2 + b^2[/tex] - 2ab cos(C)

where c is the angle C's opposite side.

Substituting the given values, we get:

[tex]18^2 = 20^2 + 22^2[/tex] - 2(20)(22)cos(C)

324 = 1048 - 880cos(C)

880cos(C) = 724

cos(C) = 724/880

C = [tex]cos^{(-1)}[/tex](724/880)

C ≈ 26.5 degrees

Therefore, the measure of angle C is approximately 26.5 degrees.

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Answer:

The length of BD in its simplest radical form is [tex]\sf \sqrt{429}[/tex].

Step-by-step explanation:

The altitude drawn from the vertex of the right angle perpendicular to the hypotenuse separates the hypotenuse into two segments. The ratio of the altitude to one segment is equal to the ratio of the other segment to the altitude.

[tex]\boxed{\sf \dfrac{altitude}{segment\:1}=\dfrac{segment\:2}{altitude}}[/tex]

Given values (see attached diagram):

To find the length of the altitude BD, substitute the values into the formula and solve for x:

[tex]\implies \sf \dfrac{BD}{AD}=\dfrac{DC}{BD}[/tex]

[tex]\implies \sf \dfrac{x}{33}=\dfrac{13}{x}[/tex]

[tex]\implies \sf x^2=429[/tex]

[tex]\implies \sf x=\sqrt{429}[/tex]

As the square root of 429 cannot be simplified any further, the length of BD in its simplest radical form is [tex]\sf \sqrt{429}[/tex].

If a research company claims that more than 55% of americans regularly watch public access television, the test statistic for the population proportion is 1.61.

To calculate the test statistic for the population proportion, we first need to set up the null and alternative hypotheses. Let p be the true proportion of Americans who regularly watch public access television.

H0: p ≤ 0.55 (null hypothesis)

Ha: p > 0.55 (alternative hypothesis)

We use a one-tailed test with α = 0.05 level of significance.

Next, we calculate the sample proportion:

p' = 255/425 = 0.60

Then, we calculate the standard error of the proportion:

SE = √(p'(1-p')/n) = √(0.60*0.40/425) ≈ 0.031

Finally, we calculate the test statistic:

z = (p' - p0)/SE = (0.60 - 0.55)/0.031 ≈ 1.61

where p0 is the value of the proportion under the null hypothesis.

The test statistic is approximately 1.61. To determine whether this value provides evidence to reject the null hypothesis, we compare it to the critical value of the z-distribution at α = 0.05 level of significance.

For a one-tailed test with a significance level of 0.05, the critical value is 1.645. Since our test statistic is less than the critical value, we fail to reject the null hypothesis.

Therefore, we do not have sufficient evidence to support the claim that more than 55% of Americans regularly watch public access television.

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Step-by-step explanation:

Put the logs on the same side.

[tex] log_{2}(7y - 1) - log_{2}(y - 1) = 3[/tex]

Using log rules, whenever you separate two logs using subtraction and they have the same base, we can write them as one log where they are a rational function

[tex] log_{2}( \frac{7y - 1}{y - 1} ) = 3[/tex]

Let both of these expression be the power of a exponent with base 2.

[tex]2 {}^{ log_{2}( \frac{7y - 1}{y - 1} ) } = 2 {}^{3} [/tex]

The base 2 and log base 2 cancel out

[tex] \frac{7y - 1}{y - 1} = 8[/tex]

When y =1, we will get undefined so y cannot be 1

However, multiply both sides by y-1

[tex]7y - 1 = 8(y - 1)[/tex]

[tex]7y - 1 = 8y - 8[/tex]

[tex]7 = y[/tex]

So according to the question Counseling and employment readiness programs are examples of rehabilitation.

Explain rehabilitation?

The English words "re," which means "once more," and "habitia," which denotes capacity, were combined to create the word rehabilitation. As a result, we can conclude that the lexical significance of the word "rehabilitation" is "recapturing the capacity."

The counseling and employment readiness program are example of rehabilitation only.

Hence, rehabilitation entails providing a sincere or simple-minded person with the necessary assistance in order to enable him to resume living a normal life. For instance, medical assistance, financial assistance, business assistance, etc.

As accidents continue to occur everywhere, rehabilitation has a huge range of applications. Accidents can occur anywhere and at any time, making it challenging to eliminate them.

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Answer: 4

Step-by-step explanation:

z^2 = 16

Since z is squared and we know that it equals 16. Take the square root of 16 which is 4.

4 x 4 = 16

Answer:

Step-by-step explanation:

16

Answer: 240 is your answer for 100% of the e-book

Step-by-step explanation: so if we look at the given facts, 180 is 75% of the e-book, now take this and divide 180 by 3, and you get 25% of the e-book (60 is 25%) so if we factor that back into the 180 75%, we now get 240 at 100% of the e-book read

(a) The monthly payment for a 36-month plan is $704.41, and for a 60-month plan is $488.08.

(b) The interest charges for the 36-month plan are $1,459.07, and for the 60-month plan are $3,369.10.

For a)

To calculate the monthly payment for a car loan, we need to use the formula for monthly payments:

M = [tex]P[r(1+r)^n / ((1+r)^n - 1)][/tex]

where M is the monthly payment, P is the principal (the loan amount), r is the monthly interest rate (the annual interest rate divided by 12), and n is the number of months over which the loan is to be repaid.

For the 36-month plan, the principal is 75% of $28,000, or $21,000. The monthly interest rate is 6% / 12, or 0.005. The number of months is 36. Plugging in these values, we get:

M = $[tex]21,000[0.005(1+0.005)^{36} / ((1+0.005)^{36} - 1)][/tex] = $704.41

For the 60-month plan, the principal, monthly interest rate, and a number of months are the same, but we change the number of months to 60:

M = $21,000[0.005[tex](1+0.005)^{60[/tex] / ([tex](1+0.005)^{60[/tex] - 1)] = $488.08

Therefore, the monthly payment for a 36-month plan is $704.41, and for a 60-month program is $488.08.

For b)

To calculate the total interest charges for the loan, we need to subtract the principal (the amount of the loan) from the total amount paid and round to the nearest cent:

For the 36-month plan, the total amount paid is $25,459.07 (36 x $704.41), so the interest charges are:

$25,459.07 - $21,000 = $4,459.07, rounded to $1,459.07

For the 60-month plan, the total amount paid is $29,284.80 (60 x $488.08), so the interest charges are:

$29,284.80 - $21,000 = $8,284.80, rounded to $3,369.10

Therefore, the interest charges for the 36-month plan are $1,459.07, and the 60-month plan are $3,369.10.

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The probability that 10 or more of 15 marketing personnel are extroverts is 0.719.

Since 80% of all marketing personnel are extroverts, the probability of any single marketing personnel being an extrovert is 0.8. The probability that 10 or more marketing personnel at the party of 15 are extroverts can be calculated using the Binomial Distribution formula:

P(X>=10) = 1 - [P(X=0) + P(X=1) + P(X=2) + P(X=3) + P(X=4) + P(X=5) + P(X=6) + P(X=7) + P(X=8) + P(X=9)]

P(X>=10) = 1 - [15C0*0.80*0.215 + 15C1*0.81*0.214 + 15C2*0.82*0.213 + 15C3*0.83*0.212 + 15C4*0.84*0.211 + 15C5*0.85*0.210 + 15C6*0.86*0.29 + 15C7*0.87*0.28 + 15C8*0.88*0.27 + 15C9*0.89*0.26]

P(X>=10) = 0.719

Therefore, 0.79 is the probability that 10 or more of the 15 marketing personnel at the party are extroverts.

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Answer:

4/13

Step-by-step explanation:

total = 14 + 6 + 12 + 4 + 16 = 52

purple = 16

p(purple) = 16/52 = 4/13

Lu Chao recited 67,890 digits of pi in 24 hours and 4 minutes using the memory palace technique

Lu Chao, a Chinese engineer, set a new world record by reciting 67,890 digits of pi in 24 hours and 4 minutes on November 20, 2005. This achievement required an incredible amount of focus, memory, and mental discipline. Chao utilized a technique called the "memory palace," in which he associated each digit with a specific image and placed those images in a familiar location in his mind.

This allowed him to recall the digits in order with remarkable accuracy. Chao's achievement demonstrates the incredible potential of the human mind and the power of memory techniques to accomplish seemingly impossible feats.

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Hy bro in which class you are?

1. Dilation is the process of enlarging or shrinking a figure or shape by a scale factor.

2. Reflection is the process of flipping a figure or shape over an axis. In this example, A'B'C' is reflected over the x-axis.

3. A pair of triangles that are congruent are triangles with the same size and shape.

4. A pair of triangles that are similar are triangles with the same shape but different sizes.

Dilation is a mathematical operation used to expand or contract a shape. It involves multiplying every point in the shape by a given scale factor. The scale factor determines how much the shape is changed. The result is a line segment twice the length of the original.

1. In this example, triangle ABC is dilated by a factor of 2 about the point (-1,4). This means that all points on the triangle ABC will be multiplied by the scale factor 2. So the coordinates of point A will become (N-1,6) x 2 = (-2,12), point B will become (-4,5) x 2 = (-8,10) and point C will become (-4,0) x 2 = (-8,0). The new triangle created by the dilation is A'B'C'.

2. This means that the x-coordinates of the points remain the same, but the y-coordinates are multiplied by -1. So the coordinates of point A' will become (-2,12) x -1 = (-2,-12), point B' will become (-8,10) x -1 = (-8,-10) and point C' will become (-8,0) x -1 = (-8,0). The new triangle created by the reflection is ABC'.

3. A pair of triangles that are congruent are triangles with the same size and shape. In other words, the sides and angles of the two triangles are all equal.

4. A pair of triangles that are similar are triangles with the same shape but different sizes. In other words, the angles of the two triangles are equal, but the sides are not necessarily the same length.

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Therefore , the solution of the given problem of percentage comes out to be  earned 6.1% from the selling of the oranges.

In statistics, "a%" refers to a figure or a statistic that is expression as a percentage of 100. The letters "pct," "pct," and "pc" are also rare abbreviations. It is typically represented by the symbol "%," though. There are no indicators and a flat ratio to the overall amount. In reality, percentages are numbers because their sum almost always equals 100.

Here,

Let's suppose that the lady purchased x oranges.

She charged 60gp for each orange she sold, for a total of 60x gp.

She earned a profit of 3.05 GHC, making her overall profit

=> 3.05 GHC = 305p.

Her cost price (50gp) plus her profit (305p) would equal her total income (selling price), which would be 355gp.

=> 60x = 355

=> x = 355/60

=> x = 5.9167

She consequently purchased six bananas.

b) Since she paid 50gp for the container of oranges, their cost would be 50gp.

c) The total sale price of the oranges would be 360gp, or 60gp for each orange multiplied by 6.

d) She would have earned a profit of (profit/cost price) x 100%.

She made 305p, or 3.05 GHC, in earnings.

Her cost was 50gp, so

=> 6.1%  = (3.05/50) *  100%.

She thus earned 6.1% from the selling of the oranges.

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The recursive formula that represents the given sequence is:

(B) an = -44aₙ₋₁ - 2

Any term of a series can be defined by its preceding term in a recursive formula (s).

For instance: An arithmetic series has the recursive formula a = an-1 + d.

An = An-1r is the recursive formula for a geometric sequence.

Because each phrase, an, goes back to the preceding term, an1, the formula an=2an1+3 is recursive.

According to this equation, any term we want is equal to two times the previous term plus three.

This sequence's first three terms are 4, 11, and 25.

So, we have the sequence:

-44, -46,-48, ...

Now, we have d that is:

= -48 - (-46)

= -48 + 46

= -2

The 1st term would be: a1 = -44

Then, the correct formula would be: an = -44aₙ₋₁ - 2

Therefore, the recursive formula that represents the given sequence is:

(B) an = -44aₙ₋₁ - 2

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A group of observations measured at successive time intervals is known as a(n) time series. So, correct option is C.

A time series is a collection of observations or measurements that are taken at regular intervals over time. These observations can be of any variable that changes over time, such as stock prices, weather patterns, or population growth. Time series analysis is a statistical technique used to understand and interpret the patterns and trends in such data.

The data in a time series can be analyzed to identify trends, seasonal variations, and other patterns that may exist over time. These patterns can be used to develop forecasts and make predictions about future values of the variable being measured.

On the other hand, an additive time series model is a specific type of model used to analyze time series data. It involves decomposing a time series into its underlying components, such as trend, seasonality, and random fluctuations, and modeling each component separately.

This approach can help to improve the accuracy of forecasts and predictions based on the time series data.

In summary, a time series is a collection of observations measured at successive time intervals, while an additive time series model is a specific type of statistical model used to analyze and forecast time series data.

Therefore, Option C is correct answer.

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Answer:

20.65

Step-by-step explanation: