The number of undergraduates at Johns Hopkins University is approximately 2000, while the number at Ohio State University is approximately 40,000. A simple random sample of 50 undergraduates at Johns Hopkins University will be obtained to estimate the proportion of all Johns Hopkins students who feel that drinking is a problem among college students. A simple random sample of 50 undergraduates at Ohio State University will be obtained to estimate the proportion of all Ohio State students who feel that drinking is a problem among college students. What can we conclude about the sampling variability in the sample proportion, p with hat on top, calculated from the sample at Johns Hopkins as compared to that in the sample proportion from Ohio State

Answers

Answer 1

Answer:

The answer is "Option C"

Step-by-step explanation:

please find the complete question in the attached file:

Its ratio of samples by Johns Hopkins will be about the equivalent than those from Ohio State because sample varying depending on the sample, each of them would have the same variability also like the amount, that's why he assumes the variance of sample sizing in the sample percentage p with both the hat above, relative to the confidence interval in Ohio State determined from its Johns Hopkins test.

The Number Of Undergraduates At Johns Hopkins University Is Approximately 2000, While The Number At Ohio

Related Questions

Stephanie has $152 in the bank. SHe withdrawls $20. Then she deposited $84. Write an addition expression to represent this situation. Then find the sum and explain its meaning.

Answers

Answer:

$152-$20=$132+$84=$216 total dollars.

Step-by-step explanation:

I hope this helps.

Q. Alex is managing an assembly line
creating precision drill bits. The number of
drill bits created is in the chart above. What
is the mode number of drill bits created?
bits​

Answers

Answer:

i put 65 but that was not the correct answer

Step-by-step explanation:

Answer: 20

Step-by-step explanation:

What are some good things to remember when you
draw a diagram of a ratio?

Answers

Answer:

the order in which the ratio is drawn should be the same as listed.

Explanation:

What this means is that since a ratio compares the sizes of two numbers (eg 4:2 or 4 ratios 2 or [tex]\frac{4}{2}[/tex]), it would be wrong to change the order of a ratio when drawn in a diagram.

For example,  changing the order to (2:4 or 2 ratios 4), which then  because [tex]\frac{2}{4}[/tex] not [tex]\frac{4}{2}[/tex]. Hence, it is important to remember that diagram of the ratio of two or more quantities should be the same as listed.

Find the measure of angle b

Answers

Answer:

80 degrees

Step-by-step explanation:

Ok, so the measurement of all the angles together has to equal 360 degrees. So the angle directly across from 100 is also 100 (because they are vertical angles) which equals 200. That means you have 160 degrees left to figure out. Since you have to find the measurement of the other TWO angles, just divide 160 in half and then you have the measurement for angle b.
The answer is 80 degrees.
Sorry if this is a long answer. I hope it helps though.

Help please ASAP I’m not good at this

Answers

Answer:

y = 0.7x + 12

Step-by-step explanation:

find the sum of 2x ÷ x-1 and x÷x-1​

Answers

Answer with step-by-step explanation:

First of all, ORDER OF OPERATIONS!! 2x/x is 2/1, which is 2. Then, subtract 1, which is 1.

2x ÷ x - 1 = 1

Same thing: x/x = 1. Subtract 1 from 1, which is 0.

x ÷ x - 1 = 0

1 + 0 = 1

Hope this helped!

Order from least to greatest.
1/3 ,5/4, 0.85

Answers

Answer:

I believe it should be; 1/3, 0.85, 5/4

Answer:

The order from least to greatest of 1/3,5/4,0.85 is. ANSWER: 1/3,0.85,5/4

What property is if x=12 , then 3x=36

Answers

Answer:

3x=x+12 This is not quadratic. This is linear in x. (3x-x) = 12 (bringing x from the right to the left, change side then change sign, in other words add - x to both the sides.

Step-by-step explanation:

3(12) = 36
so then multiply and your answer is
36=36

Please answer correctly, will give brainlist.

Answers

Answer:

the answer is 77

Step-by-step explanation:

A measures 32 and B measures 109 so you subtract 109 and 32 and your answer will be 77

Riley and Rhoda plan to buy several bags of dog food and a dog collar. Each bag of dog food costs $7, and the dog collar cost $5

Answers

Answer:

2bags= $14 + $5

3bags= $21+ $5

4bags= $28 + $5

5bags= $35 + $5

6bags= $42 + $5

multiply # of bags by 7

and add $5

Jose's savings account pays 3.25% interest.
He has $1,200 in his account. How much
interest will he earn in 9 months?

Answers

Answer:

He will earn $2025

Step-by-step explanation:

1200*3.25=3900

3900-1200=2700

2700/12=225

225*9

Answer:

His interest is $3,900 earn for 9 months.

7th grade math help me plzzzz

Answers

Answer:

a. -14

b. -13

c. -5

d. -3

e. -12

f. 0

Step-by-step explanation:

hope it helps

Answer:

A is -14.

B is -13

C is -5

D is -3

E is -12

F is 0

Step-by-step explanation:

A, B, E both numbers are negative so you just add them together and add a negative sign.

C would read 4-9

D 10-7 and add a - to the answer

F is 6-6

Determine whether the following graph represents a function.

Answers

Answer:

function

Step-by-step explanation:

Answer:

Its a Function

Step-by-step explanation:

Its a function because no vertical line Its intersect the curve more than once.

A scientist observes and counts 155 bacteria in a culture. Later, the scientist counts again and finds the number has increased by 40%.How many bacteria are there now?

Answers

IM STILL TRYNA GET THIS ONEE TOO

Answer:

217

Step-by-step explanation:

155 + 40% = 217

Kevin bought a used guitar at a garage sale for $150. He fixed it up and sold it for $200. What was the percent increase?
(Need explanation to show my work)

Answers

Answer:

33.3

Step-by-step explanation:

You need to divide 200  and 150 to get you 4/3. Then you will have to _____________________________

Area of shaded region of a rectangle

Answers

u forgot to add the pic lma.o.

a rectangular prism is 12 inches long, 6 inches wide and 10 inches tall. what is the length of it's longest diagonal?

Answers

Answer:

15.620

Step-by-step explanation:

use pythagorean theorm :)

(the 6 is pointless for this problem)

Jodi bought a new sofa for $1,430, plus fees and insurance. She made paid off the balance in 18 months at $89 per month. How much did she pay in insurance and fees?

Answers

Answer:

$172

Step-by-step explanation:

Ok, So $1430 is the total amount PLUS fees and insurance. So 18 months at $89 per month. so do 18*89=1602. $1602-$1430=$172.

So She paid insurance and fees $172.

g(x)=2x^2+2x+21
Find g(p+4)​

Answers

Answer:   2p^2 + 18p + 61

======================================================

Explanation:

Everywhere you see an x, replace it with p+4, then simplify.

We'll use the FOIL rule to expand out (p+4)^2

So...

g(x) = 2x^2 + 2x + 21

g(x) = 2( x )^2 + 2( x ) + 21

g(p+4) = 2( p+4 )^2 + 2( p+4 ) + 21 .... every x replaced with p+4

g(p+4) = 2(p^2+8p+16) + 2(p+4)+21 .... FOIL rule

g(p+4) = 2p^2+16p+32 + 2p+8+21 .... distribute

g(p+4) = 2p^2 + 18p + 61

Find the surface area of the cube shown below 2.3

Answers

Answer:

2 2/3 or 8/3

Step-by-step explanation:

Formula for each side = 2/3 x 2/3

2/3 x 2/3 = 4/9

6 sides

4/9 x 6 or 4/9 + 4/9 + 4/9 + 4/9 + 4/9 + 4/9

=2 2/3 or 8/3

Answer:

2 2/3

Is the answer

Tom has 120 meters of fencing. He will use it to form three sides of a rectangular garden. The fourth side will be along a house and will not need fencing. As shown below, one of the sides has length x (in meters).
Find a function:
What is the side length?
What is the maximum area?

Answers

Answer:

a) Function A(x) =  (60*x - 1/2*x²)

b)Side length     x = 60 m      the other side   y = 30 m

c) A (max)  = 1800 m²

Step-by-step explanation:

Area of rectangular garden with length  " x " and wide "y"

A = x*y        

Perimeter of rectangular area ( only three sides 2*y and 1*x)

P(r)  = 2*y + x

P(r) = 120 = 2*y + x

y = ( 120 - x ) /2

Area of the garden as function of x is

A(x) = [( 120 - x ) /2]*x          ⇒     A(x) = (60*x - 1/2*x²)

Taking derivatives on both sides of the equation:

A´(x) = 60 - x

A´(x)  = 0            60  -  x  = 0

x = 60 m

Then

y = ( 120  -  x ) / 2                ⇒   y = (120 - 60 )/2

y = 30 m

A(max) = 30 * 60

A(max) = 1800 m²

The side length (x) is 30 m each

The maximum area is 1800 m².

He has 120 meters for fencing . He use it to form 3 sides of a rectangular garden.

Therefore,

let

the side parallel to the house = y

the sides perpendicular to the house = x (2 sides)

Therefore,

perimeter = 2x + y

120 = 2x + y

y = 120 - 2x

area = x(120 - 2x)

area = 120x - 2x²

area = -2x² + 120x

The leading coefficient is less than zero, therefore, the parabola is facing downward.  The maximum area is at (h, k).

where

h = - b / 2a

a = -2

b = 120

h = - 120 / 2 × -2

h = 120 / 4 = 30

The sides perpendicular to the building  = 30 meter

The side parallel to the building = 120 - 2(30) = 60 meters

The maximum area = 60 × 30 = 1800 m²

read more: https://brainly.com/question/8602676?referrer=searchResults

[tex](15+23)+7=15+(_______+7)[/tex]

Answers

If your looking for solutions their will be zero. Since 15+23+7=15+7 is false, there is no solution.

please help, I can't get it

Answers

x+5 /3
hope this helps!

Zachary bought a baseball for $9.96, a bat for $10.05, and a glove for $19.75. About how much did he pay for the three
items?
$50
$40
$30
$20

Answers

Answer:

About 40 Dollars

Step-by-step explanation:

9.96 + 10.05 = 20.01

20.01 + 19.75 = 39.76

About 40 Dollars

Hope this helps! <3

Answer:

40$

Step-by-step explanation:

If u add it all together u get 39.76$ and if u round it u get 40$ so 40$

According to Masterfoods, the company that manufactures M&M’s, 12% of peanut M&M’s are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green. [Round your answers to three decimal places, for example: 0.123]


Compute the probability that a randomly selected peanut M&M is not yellow.


Compute the probability that a randomly selected peanut M&M is brown or red.


Compute the probability that three randomly selected peanut M&M’s are all brown.


If you randomly select three peanut M&M’s, compute that probability that none of them are blue.


If you randomly select three peanut M&M’s, compute that probability that at least one of them is blue.

Answers

Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

P(brown) = 12% = 0.12

P(Yellow) = 15% = 0.15

P(Red) = 12% = 0.12

P(blue) = 23% = 0.23

P(orange) = 23% = 0.23

P(green) = 15% = 0.15

A.) Compute the probability that a randomly selected peanut M&M is not yellow.

P(not yellow) = P(Yellow)' = 1 - P(Yellow) = 1 - 0.15 = 0.85

B.) Compute the probability that a randomly selected peanut M&M is brown or red.

P(Brown) or P(Red) :

0.12 + 0.12 = 0.24

C.) Compute the probability that three randomly selected peanut M&M’s are all brown.

P(brown) * P(brown) * P(brown)

0.12 * 0.12 * 0.12 =0.001728

D.) If you randomly select three peanut M&M’s, compute that probability that none of them are blue.

P(3 blue)' = 1 - P(3 blue)

P(3 blue) = 0.23 * 0.23 * 0.23 = 0.012167

1 - P(3 blue) = 1 - 0.012167 = 0.987833

If you randomly select three peanut M&M’s, compute that probability that at least one of them is blue.

P(1 blue) + p(2 blue) + p(3 blue)

(0.23) + (0.23*0.23) + (0.23*0.23*0.23)

0.23 + 0.0529 + 0.012167

= 0.295067

Can someone who knows Pre Calculus help me on these questions.

Answers

Answer:

the answer should be B:12/5

solve 6 ropes all of equal length have a total length of 27m what is the length of each rope in centimetres​

Answers

Answer:

* 27x=9 * x=9/27 ithink so srry if you get wrong

Step-by-step explanation:

In a basketball game, LeBron and Shaq combined to score 72 points. If LeBron scored three times as many points as Shaq, how many points did each player score?

Answers

Answer:

Lebron = 24

Shaq = 0

Step-by-step explanation:

x =  LeBron

y = Shaq

3(24) + 0 = 72

Suppose you want to find the average household income in America. So you pick 10 households from each state (a total of 500 households) and find their income.

What is the population? What is the parameter you want to find?

Answers

Answer:

Step-by-step explanation:

The purpose of the experiment is to find the average or mean amount of household income in America.

Household Income simply means the total income of a household - which is the sum of income earned by each member of the household. This study aims to find the average of this household, across the Americas.

For your analysis, you pick 10 households from each state of the country (or continent). A total of 500 households implies 500/10 = 50 states

WHAT IS THE POPULATION?

The population in this study is:  the total population of American households OR the total number of households in America. The sample on the other hand, is the 500 households directly involved in the study.

WHAT IS THE PARAMETER YOU WISH TO FIND?

The parameter you wish to find is:  mean (or average) household income in America.

I really need help 1260 divided by 17

6699 divided by 72​

Answers

Answer:

1) 7.118 (rounded to the nearest thousandth)

2) 93.042 (rounded to the nearest thousandth)

Step-by-step explanation:

1260 divided by 17 = 7.118 (rounded to the nearest thousandth)

6699 divided by 72 = 93.042 (rounded to the nearest thousandth)

(I don't really know how to explain this in detail. Sorry.

Hope I helped :)

Please consider Brainliest :)

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