subject
Mathematics, 18.12.2021 04:40 vanessagomezcx

A recent survey on the usage of cosmetics among youth provided the following data: Year: 2004; Sample size: 5000; Youth who use cosmetics: 36%
Year: 2014; Sample size: 4250; Youth who use cosmetics: 47%

Construct a 99% confidence interval for the difference in population proportions of youth who were using cosmetics in 2004 and youth who were using cosmetics in 2014. Assume that random samples are obtained and the samples are independent. (Round your answers to three decimal places.)

z0.10z0.05z0.025z0.01z0.005
1.2821.6451.9602.3262.576
Select the correct answer below:
A. (−0.150,−0.070)
B. (−0.136,−0.084)
C. (−0.140,−0.080)
D. (−0.127,−0.093)

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
27 is what percent of 108? 27 is % of 108
Answers: 2
question
Mathematics, 21.06.2019 19:00
What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)
Answers: 1
question
Mathematics, 22.06.2019 00:00
Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?
Answers: 2
question
Mathematics, 22.06.2019 01:00
Which of the following is equal to the rational expression when x is not equal to -2 or -6?
Answers: 2
You know the right answer?
A recent survey on the usage of cosmetics among youth provided the following data: Year: 2004; Sam...
Questions
question
Spanish, 31.10.2019 06:31
question
Mathematics, 31.10.2019 06:31
question
Mathematics, 31.10.2019 06:31
question
Mathematics, 31.10.2019 06:31
Questions on the website: 13722367