A school administrator surveyed high school sophomores about their expectations for college attendance. One question asked was: "What do you think the chances are that you will graduate from college?" Their responses are shown below in the two-way table by gender.

Answers

Answer 1

The percentage of males in the distribution is 46% and it represents the marginal distribution of males in the population.

To obtain the percentage of males out of the total respondent ; we use the relation ;

Number of males / total number of respondents

Number of males = (31 + 34 + 64 + 109 + 75) = 313

Number of females = (22 + 70 + 70 + 112 + 98) = 372

Total number of respondents = (number of males + number of females) = (313 + 372) = 685

Percentage of males = (313 / 685) × 100% = 45.69% = 46%

This percentage represents the marginal distribution of males as it is the percentage of just one of the random variables.

If the percentage represents more than one such that one variable depends on the other, then it would have represented a conditional distribution.

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A School Administrator Surveyed High School Sophomores About Their Expectations For College Attendance.

Related Questions

1.How many semi-circles are there in a circle?

2.How many quadrants form a circle?

3.Which line touches a point on the circumference of the circle?

4.The line touching the inside circumference of the circle is called the _______.

5.The part of the circle enclosed by two radii inside the circle is known as the ______.

6.The distance around the circle is the ________.

7.Which is the longest chord in the circle?

8.The _______ is same as the perimeter of a rectangle.​

Answers

Answer:

1. 2semicircle

2. 4 quadrant

3. tangent

4.chord

5.The region enclosed by two radii and an arc of a circle is called the sector of a circle.

6. The distance around the circle is called circumference.

7.Diameter is the longest chord of the circle..

8.The perimeter of sum of all the side lengths of a shape. is same

A triangle has two sides of length 16 and 2. What is the smallest possible whole-number length for the third side?\

Answers

The smallest possible number for the third side would be 15

A rectangle has an area of 48cm^2 & a perimeter of 38cm. What are the dimensions of the rectangle?
(If you can answer this, I'll give u Brainliest :])

Answers

C............... .......

Answer:

10 is your answer

Step-by-step explanation:

I would love brainliest, thanks!

how long train take to cover 162 1/2 km at an avarage speed of 40km/hr

Answers

Answer:

4 hours and 3.75 minutes

Step-by-step explanation:

[tex]162\frac{1}{2}\div40\\= 4.0625or4\frac{5}{80} or 4\frac{1}{16}[/tex]

This would be 4 hours and 3.75 minutes

Find the H.C.F of 32, 48 and 64​

Answers

Answer:

Step-by-step explanation:

Factor into primes

32: 2*2*2*2*2

48: 2*2*2*2*3

64: 2*2*2*2*2*2

The highest common factor is 2*2*2*2 = 16

1Use the Zero Product Property to solve for x.
a. (x +13)(x - 7) = 0
b. (2x+ 3)(3x - 7) = 0
C. x(x-3) = 0
d. x^2 – 5x = 0
e. x^2 – 2x – 35 = 0
f. 3x^2 + 14x - 5 = 0​

Answers

a. x + 13 = 0

x = -13

x-7= 0

x= 7

b. 2x +3 = 0

2x = -3

x= -3/2 or -1.5

3x -7 = 0

3x = 7

x = 7/3

c. x = 0

or x = 3

these you have to change it into that form first

d. x= 5

or x = 0

e. x= 7

or x = -5

f. x = 1/3 or -5

(2n3 - 3n4 + 7n) - (n3 - 8n4 - 7n)

Answers

Answer:

Step-by-step explanation:

(2n³ - 3n⁴ + 7n) - (n³ - 8n⁴ - 7n) = 2n³ - 3n⁴ + 7n - n³ + 8n⁴ + 7n

  {Here -1 is distributed }

                                                  = 2n³ - n³ - 3n⁴ + 8n⁴ + 7n + 7n

                   {Combine like terms}

                                                  = n³ + 5n⁴ + 14n

Answer:

The answer is: n^3 + 5n^4 + 14n

Step-by-step explanation:

Pls I need help on this

Answers

Answer1:

-1

Step-by-step explanation:

distributed, so it must be the number before parenthesis

-(-3c+5) = -1(-3c+5)

please help easy maths

Answers

Answer:

option D

Step-by-step explanation:

y-intercept=-8

point(0,-8)

m=4

Using point slope form:

y-y1=m(x-x1)

y-(-8)=4(x-0)

y+8=4x

y=4x-8

what is the vaule of 11a+2(3a+4b)-5b for a=6 and b=-2

Answers

Answer:

96

Step-by-step explanation:

a= 6 b = - 2

So just subsitute all the a and b into the number they gave

11(6) + 2(3(6)+4(-2)) - 5(-2)

66+ 2(10) +10

66+20+10

96

Just be careful with your positive and negatives

solve this problem I am not able to solve this please help me

Answers

Answer:

4/5

Step-by-step explanation:

What a unique handwriting you have there. Anyways for this types of questions you just have to imagine a right-angled triangle and write down the values and an angle (2A).

First, to find height of the triangle, you can try using Pythagorean theorem, √(5²-3²) and you'll get the value 4.

Remember the formula,

sin a = opposite/hypothenuse.

Substitute the values in,

sin 2A = 4/5

Madison is starting her own sewing business. Madison thinks she will do a better job than her competitors, so she thinks she can charge $13.63 per hour. If she knows she will only be able to work 50 hours per week, how much money will she earn each week?

Answers

Answer:

$681.50

Step-by-step explanation:

$13.63 x 50 = $ 681.50

(4) ^ (1/3) * (3 ^ (1/3) * 3 ^ (1/2)) ^ 7 / (9 ^ (3/4))​

Answers

Answer:

Here is your answer . Hope this helps.

Jace has consumed 1,500 calories so far today. He has also burned off 400 calories at the gym. He would like to keep his daily calorie total to 1,900 calories per day. How many calories does he have left to consume for the day? Is 1,100 a viable solution to this problem?

Yes; 1,100 is less than 1,500.
No; 1,100 is more than the 400 he burned off at the gym.
No; 1,100 will cause him to exceed 1,900.
Yes; 1,100 is less than 1,900.

Answers

Answer:

Option 3

Step-by-step explanation:

If he burned off 400 calories from 1500 consumed calories, he has 1100 consumed calories.  1900 - 1100 = 800 calories left to consume.

While option 2 also says no, it's not the right reason.  

The calories left to consume for the day is 800 calories.

No, 1,100 will cause him to exceed 1,900.

Given,

Jace has consumed 1,500 calories so far today.

He has also burned off 400 calories at the gym.

He would like to keep his daily calorie total to 1,900 calories per day.

We need to find how many calories he has left to consume for the day.

And see which option is the best choice.

We have,

Calories consumed in a day = 1500

Burned calories = 400

Calories to keep in a day = 1900

Find the Calories left

= 1500 - 400

= 1100

Find how many calories need to be consumed to keep 1900 calories.

= Calories needed to keep in a day - calories remaining after burned

= 1900 - 1100

= 800

We see that the calories left to consume is 800 calories.

So 1100 is not a viable solution. It will cause him to exceed 1,900.

Thus,

The calories left to consume for the day is 800 calories.

No, 1,100 will cause him to exceed 1,900.

Learn more about finding the calories needed to consumed to keep daily calories here:

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#SPJ2

f(4) =

If g(x) = 2, x =

Answers

Answer:

f(4)=-10

x=0 if g(x)=2

i hope you will understand it

16d+23=14(d−2) what does d=

Answers

Step-by-step explanation:

16d+23=14(d−2)

16d+23=14d−28

16d-14d=-28-23

2d=-51

d=51/2

d=25.5

Answer:

d= -25.5

Step-by-step explanation:

Isolate the variable by dividing each side by factors that dont contain the variable.

exact form: d=[tex]-\frac{51}{2}[/tex]

decimal form: d= -25.5

Mixed number form: d= [tex]-25\frac{1}{2}[/tex]

how I do this plzz help​

Answers

Answer:

I also don't know because I did not read this chapter

Answer:

yes how can we do this i am also confusing

5^2x = 3(2^x) find x please show steps

Answers

Step-by-step explanation:

the answer is in the image above

Answer:

Step-by-step explanation:

There is a possible issue in your question...

As written it can be interpreted in two ways

like this #1 :

 [tex]5^{2x} = 3(2^x)[/tex]

or like this #2 :

  [tex]5^2x = 3(2^x)[/tex]

VERSION #1

divide by the 2^x

[tex]\frac{5^{2x} }{2^x} = 3[/tex]

to be able to get to the exponent you have to take "logs"

... look up the rules for logs ... log(ab) = log (a)+log(b) , log(a/b) = log(a)-log(b) etc.

if you take the logs of both sides the using the quotient rule and the exponent rule ....result the result is...

[tex]5^{2x}=3\left(2^x\right)\quad :\quad x=\frac{\ln \left(3\right)}{2\ln \left(5\right)-\ln \left(2\right)}\quad \left(\mathrm{Decimal}:\quad x=0.43496\dots \right)[/tex]

VERSION #2

[tex]5^2x\:=\:3\left(2^x\right)[/tex]

25 x = 3(2^x)

[tex]\frac{25}{3} = \frac{2^{x} }{x}[/tex]

This gets really nasty, and I assume that it is not the original problem..

[tex]x=-\frac{\text{W}_{-1}\left(-\frac{3\ln \left(2\right)}{25}\right)}{\ln \left(2\right)},\:x=-\frac{\text{W}_0\left(-\frac{3\ln \left(2\right)}{25}\right)}{\ln \left(2\right)}\quad \mathrm{ }:\quad x=5.52482 ,\:x=0.13144[/tex]

x^2-2x/2x^2+8 - 2x^2/8-4x+2x^2-x^3

Answers

Answer:

[tex]-2x^3+\frac{11}{4} x^2 - 4x +8[/tex]

WILL MARK BRAINLIEST HELP PLEASEEE
This is the graph.

Type of Factor Beginning Frog Count Simulation 1 (Low) Simulation 2 (High)
Predators (alligators) 50k 90k 10k
Pollution 50k 50k 35k
Food (mosquitoes) 50k 25k 85k


Use the graphs you printed from the data chart in the virtual lab and analyze the data. Make a note of any trends that you discover.

Predators (alligators):

Pollution:

Food (mosquitoes):

Answers

Answer:

Predators (alligators): increased but then sharply decreased

Pollution: stayed the same but then decreased

Food (mosquitoes): decreased but quickly increased

Step-by-step explanation:

i d k what you want me to really do but this is what I think

The smallest circle in the figure has a radius of 2 inches. Which equation gives the area A of the shaded part of the figure? Recall that A = (pi)r^2

Answers

Answer:

60π in²

Step-by-step explanation:

Inner Circle:

r = 2 in

Area of inner circle = πr²

        = π* 2 * 2

       = 4π   in²

Middle circle:

r = 6 + 2 = 8 in

Area of middle circle = π * 8 * 8

                                    = 64π in²

Area of shaded region =  area of middle circle -area of inner circle

                                       = 64π - 4π

                                       = 60π in²

Answer:

A = 60pi

Step-by-step explanation:

the radius of the smallest circle is 2 inches so that would give us an area of 4pi. the distance in the shaded part is 6 inches, since we're wanting to find the area of the shaded part, we'll add the radius of the smallest circle, 2 inches, and add it to the length of the shaded circle, 6 inches, to get a radius of 8 inches. plug 8 inches into the formula and youll get 64pi then subtract the 4pi from 64pi and youll get 60pi, which is the area of the shaded part of a circle.

solve the following pair of simultaneous equations. you can use any 3 methods. 2x- y= 5, x+2y=5.

Answers

Answer:

2x-y= 5, x + 2y=5

Step-by-step explanation:

x = 3, y = 1

Complete the table for the given rule. Rule: y = 4x
x | Y
5 | fill in
3 | fill in
4 | fill in​

Answers

Answer:

5 | 20

3 | 12

4 | 16

Step-by-step explanation:

y = 4x so just multiply each x value by 4 to get the y value

Answer:

X | Y

5 | 20

3 |12

4 |16

Step-by-step explanation:

What they actually means is

y=4x

So when x is 5, what is y? So u just change x to 5, since they told u x is 5

And same for the others

1. A number is represented by x. How would we represent:

a) 2 more that the number.
b) 5 times the number.
c) 3 less than twice the number.
d) Twice as much as 3 less than the number.
e) A 1/4 of the number.

Answers

Step-by-step explanation:

If the number is represented by x, then

x+25x2x-3(x-3)21/4× x=x/4

Given the equation 5x + 23 = - 2x - 12, which order of operations completely solves for x? (1 point)
O Add 2x, then subtrost 23, lastly divide by - 7
Subtract 2x, then add -23, lastly divide by 7
O
Subtract 5x, then add 12, lastly divide by 7
Subtract 5x, then add 12, lastly divide by - 7
4.(01.02)

Answers

Answer:

-5

Step-by-step explanation:

5x+23= -2x-12

Add 2x to the other side

7x+23= -12

Subtract 23 from the other side

7x= -35

Divide 7 from the other side

x= -5

H. Pete wants a new truck. The sale price is 15% lower than the original price. The sale price is $20,000. Write and evaluate an expression for the original price Uses for sale price and p for original price. L. Emma Lee needs a new road bike. The sale price is 10% lower than the original price. The sale price is $450. Write and evaluate an expression for the original price, Uses for sale price and p for original price. J. You can find the distance in feet that an object falls in t seconds using the expression 1612. If you drop a ball from a tall building, how far does the ball fall in 5 seconds?​

Answers

Solution:-1

SP=20000Discount=15%CP=?

100-15=85%=SP

[tex]\\ \sf\longmapsto 85\%\times x=20000[/tex]

[tex]\\ \sf\longmapsto \dfrac{85}{100}x=20000[/tex]

[tex]\\ \sf\longmapsto x=20000\times \dfrac{100}{85}[/tex]

[tex]\\ \sf\longmapsto x=235.2(100)[/tex]

[tex]\\ \sf\longmapsto CP=23520[/tex]

Solution:-2

SP=450Discount=10%CP=?

100-10=90%=SP

[tex]\\ \sf\longmapsto 90\%\times x=450[/tex]

[tex]\\ \sf\longmapsto \dfrac{90}{100}x=450[/tex]

[tex]\\ \sf\longmapsto x=450\times \dfrac{100}{90}[/tex]

[tex]\\ \sf\longmapsto x=5(100)[/tex]

[tex]\\ \sf\longmapsto CP=500[/tex]

Find (dy/dx) when x=2at,y=at^2​

Answers

Answer:

https://www.teachoo.com/3815/705/Example-35---Find-dy-dx--if-x--at2--y--2at---Class-12-CBSE-/category/Examples/

Simplify the answer has to be a positive exponent Please help!

Answers

5^4 /5

Use the exponent rule x^a/x^b = x^a-b

5^4/5 = 5^4-1 = 5^3

Answer as a positive exponent is 5^3

In a survey, 250 people were asked if they smoke…..

Answers

Answer:

90%

Step-by-step explanation:

22%

helpppppp me please i need help

Answers

I think it is the 2 one hopefully it helps

Answer:

2nd one?

Step-by-step explanation:

Have a good day

-Bradi

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