A state legislator wishes to survey residents of her district to see what proportion of the electorate
Question:
a. What sample size is necessary if the 95% CI for p is to have a width of at most .10 irrespective of p?
b. If the legislator has strong reason to believe that at least 2/3 of the electorate know of her position, how large a sample size would you recommend?
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Related Book For
Probability And Statistics For Engineering And The Sciences
ISBN: 9781305251809
9th Edition
Authors: Jay L. Devore
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