Concept explainers
To find: The
Answer to Problem 6CRE
The sample size is 16577.
Explanation of Solution
Given:
Margin of error ( E ) = 1% = 0.01
Confidence level = 99%
Formula used:
The formula to compute the sample size is:
Calculation:
From the standard normal table, the z-score at 99% confidence level is 2.576.
Consider, sample proportion to be 0.05.
The sample size is calculated as:
Thus, the sample size is 16577.
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