Mathematics
Mathematics, 20.03.2020 08:30, miargaree1823

According to data from the 2010 United States Census, 71.6% of the total United States population was over the age of 20. Suppose Maria, a researcher, takes a random sample of 70 Americans and finds that 42 are over the age of 20. Let p represent the sample proportion of Americans that were over the age of 20.

What are the mean and standard deviation of the sampling distribution of p? Provide your answer rounded to three decimal places.

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:40, tiiia
How far is x from 5 on a number line?
Answers: 1
image
Mathematics, 21.06.2019 16:30, Yvette538
In the figure shown below, m < 40 and ab =8. which equation could be used to find x?
Answers: 2
image
Mathematics, 21.06.2019 16:30, bettybales1986
Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $
Answers: 1
image
Mathematics, 21.06.2019 19:40, shikiaanthony
An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called
Answers: 3
Do you know the correct answer?
According to data from the 2010 United States Census, 71.6% of the total United States population wa...

Questions in other subjects:

Konu
Mathematics, 08.10.2020 01:01