subject
Mathematics, 05.11.2019 04:31 Jasten

Ten years ago 53% of american families owned stocks or stock funds. sample data collected by the investment company institute indicate that the percentage is now 46% (the wall street journal, october 5, 2012)

a. develop appropriate hypotheses such that rejection of h0 will support the conclusion that a smaller proportion of american families own stocks or stock funds in 2012 than 10 years ago.
b. assume the investment company institute sampled 300 american families to estimate that the percent owning stocks or stock funds was 46% in 2012. what is the p-value for your hypothesis test?

c. at α = .01, what is your conclusion?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
Marcus built a model car that is 4 inches wide. what scale was used to build the car if the actual width of the car is 6 feet? a. 1 in. = 2 ftb. 1 in. = 2.5 ftc. 1 in. = 1.5 ftd. 1 ft = 1.5 in.
Answers: 2
question
Mathematics, 21.06.2019 15:30
What is this inequality notation? t is less then or equal to 2
Answers: 3
question
Mathematics, 21.06.2019 22:20
Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)
Answers: 2
question
Mathematics, 21.06.2019 23:00
36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
Answers: 1
You know the right answer?
Ten years ago 53% of american families owned stocks or stock funds. sample data collected by the inv...
Questions
question
Health, 02.12.2020 20:00
question
Mathematics, 02.12.2020 20:00
question
Mathematics, 02.12.2020 20:00
question
Mathematics, 02.12.2020 20:00
question
Chemistry, 02.12.2020 20:00
question
Mathematics, 02.12.2020 20:00
Questions on the website: 13722361