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Assuming that n₁ = n₂, find the sample sizes needed to estimate (P₁-P₂) for each of the following situations. a.A margin of error equal to 0.07 with 99% confidence. Assume that p₁≈ 0.4 and p₂≈ 0.7. b.A 90% confidence interval of width 0.98. Assume that there is no prior information available to obtain approximate values of p₁and P2- c.A margin of error equal to 0.14 with 90% confidence. Assume that p₁≈ 0.82 and p₂0.5. a. What is the sample size needed under these conditions? (Round up to the nearest integer.)

Assuming that n₁ = n₂, find the sample sizes needed to estimate (P₁-P₂) for each of the following situations. a.A margin of error equal to 0.07 with 99% confidence. Assume that p₁≈ 0.4 and p₂≈ 0.7. b.A 90% confidence interval of width 0.98. Assume that there is no prior information available to obtain approximate values of p₁and P2- c.A margin of error equal to 0.14 with 90% confidence. Assume that p₁≈ 0.82 and p₂0.5. a. What is the sample size needed under these conditions? (Round up to the nearest integer.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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What is the sample size needed under these conditions?( Round to the nearest integer)
Assuming that n₁ = n₂, find the sample sizes needed to estimate (P₁-P₂) for each of the following situations. a.A margin of error equal to 0.07 with 99% confidence. Assume that p₁0.4 and p₂≈ 0.7. b.A 90% confidence interval of width 0.98. Assume that there is no prior information available to obtain approximate values of p,and P2- c.A margin of error equal to 0.14 with 90% confidence. Assume that p₁≈ 0.82 and p20.5. ... a. What is the sample size needed under these conditions? (Round up to the nearest integer.)
Transcribed Image Text:Assuming that n₁ = n₂, find the sample sizes needed to estimate (P₁-P₂) for each of the following situations. a.A margin of error equal to 0.07 with 99% confidence. Assume that p₁0.4 and p₂≈ 0.7. b.A 90% confidence interval of width 0.98. Assume that there is no prior information available to obtain approximate values of p,and P2- c.A margin of error equal to 0.14 with 90% confidence. Assume that p₁≈ 0.82 and p20.5. ... a. What is the sample size needed under these conditions? (Round up to the nearest integer.)
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