Mathematics, 20.03.2021 06:10, andrealfar1010

1) It is estimated that 17.4% of all US households own a Roth IRA. The American Association of University Professors (AAUP) believes this figure is different among their members and commissions a study.

a) If 150 out of a random sample of 750 AAUP members own Roth IRA’s, is this sufficient evidence to support the AAUP belief at the α=0.05 level? (You must run a hypothesis test)

b) Based on your results from (a), if an error was made, would it be type I or type II error? Explain the error you chose in the context of the question.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:30, roserose3098

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

Answers: 2

continue

Mathematics, 21.06.2019 14:30, jdbell627

Pls , the question is in the picture!

Answers: 2

continue

Mathematics, 21.06.2019 18:30, nickname0097

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Answers: 1

continue

Mathematics, 21.06.2019 20:30, ghlin96

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Answers: 3

continue

Do you know the correct answer?

1) It is estimated that 17.4% of all US households own a Roth IRA. The American Association of...