11/25 QUESTION 12 • 1 POINT Suppose the manager of a shoe store wants to determine the current percentage of customers who are males. How many customers should the manager survey in order to be \( 90 \% \) confident that the estimated (sample) proportion is within 3 percentage points of the true population proportion of customers who are males? \begin{tabular}{|l|l|l|l|l|l|} \hline \( \mathrm{z}_{\mathbf{0 . 1 0}} \) & \( \mathrm{z}_{\mathbf{0 . 0 5}} \) & \( \mathrm{z}_{\mathbf{0 . 0 4}} \) & \( \mathrm{z}_{\mathbf{0 . 0 2 5}} \) & \( \mathrm{z}_{\mathbf{0 . 0 1}} \) & \( \mathrm{z}_{\mathbf{0 . 0 0 5}} \) \\ \hline 1.282 & 1.645 & 1.751 & 1.960 & 2.326 & 2.576 \\ \hline \end{tabular} Use the table of values above. Provide your answer below: Next - Previous \( { }^{6}{ }^{637} \) Search
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The confidence level is 90%, and the margin of error is 3 percentage points (0.03). Show more…
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