# Sample size, proportion

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Using the large database of survey responses (this is your sample - see attached), you will begin testing hypotheses. Complete the following:

6. Determine the required sample size if you need to estimate the number of workers in the United States who are highly satisfied with their job and you want the estimate to be within 2 percentage points with 96% confidence level.

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##### Solution Summary

This solution finds the appropriate sample size when estimating a proportion.

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