Use the expression in the accompanying discussion of sample size to find the size of each sample if you want to estimate the difference between proportions of men and women who own smartphones. Assume that you want 90% confidencethat your error is no more than 0.02.A Click the icon to view the discussion of sample size.Sample size discussionThe sample should include(Type whole numbers.)men andwomen.The sample size needed to estimate the difference between two populationproportions to within a margin of error E with a confidence level of 1-a can befound by using the followexpression:P2 92P191E=Za/2n2Replace n, and n, by n in the preceding formula (assuming that both sampleshave the same size) and replace each of p,91, P2, and q, by 0.5 (because theirvalues are not known). Solving for n results in this expression:za12.22E

The confidence level is 90%, and margin of error is 0.02.

Use the expression in the accompanying discussion of sample size to find the size of each sample if you want to estimate the difference between proportions of men and women who own smartphones. Assume that you want 90% confidence that your error is no more than 0.02. A Click the icon to view the discussion of sample size. - X Sample size discussion The sample should include men and women. (Type whole numbers.) The sample size needed to estimate the difference between two population proportions to within a margin of error E with a confidence level of 1-a can be found by using the following expression:

Use the expression in the accompanying discussion of sample size to find the size of each sample if you want to estimate the difference between proportions of men and women who own smartphones. Assume that you want 90% confidence that your error is no more than 0.02. A Click the icon to view the discussion of sample size. - X Sample size discussion The sample should include men and women. (Type whole numbers.) The sample size needed to estimate the difference between two population proportions to within a margin of error E with a confidence level of 1-a can be found by using the following expression:

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 26PFA

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