Mathematics, 13.11.2019 19:31, suzyleonardsl0

Aresearcher studying public opinion of proposed social security changes obtains a simple random sample of 35 adult americans and asks them whether or not they support the proposed changes. to say that the distribution of the sample proportion of adults who respond yes, is approximately normal, how many more adult americans does the researcher need to sample in the following cases?
(a) 15% of all adult americans support the changes.
(b) 20% of all adult americans support the changes .

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 21:30, jtorres0520

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Answers: 3

continue

Mathematics, 21.06.2019 22:00, rhineharttori

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?

Answers: 2

continue

Mathematics, 21.06.2019 23:10, mafip1ug

What is the radius of the cone in the diagram? round your answer to the nearest whole number

Answers: 2

continue

Mathematics, 22.06.2019 00:00, mikisims

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

Answers: 1

continue

Do you know the correct answer?

Aresearcher studying public opinion of proposed social security changes obtains a simple random samp...