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а. sps (Round to three decimal places as needed.)

а. sps (Round to three decimal places as needed.)

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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A survey of 475 women revealed that 46% wear flat shoes to work. a. Use this sample information to develop a 95% confidence interval for the population proportion of women who wear flat shoes to work. b. Suppose that the people who administered this survey now wish to estimate the proportion of women who wear athletic shoes to work with a margin of error of 0.01 with 99% confidence. Determine the sample size required. а. (Round to three decimal places as needed.)
Transcribed Image Text:A survey of 475 women revealed that 46% wear flat shoes to work. a. Use this sample information to develop a 95% confidence interval for the population proportion of women who wear flat shoes to work. b. Suppose that the people who administered this survey now wish to estimate the proportion of women who wear athletic shoes to work with a margin of error of 0.01 with 99% confidence. Determine the sample size required. а. (Round to three decimal places as needed.)
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