Question: Determine the sample size needed to construct a 99% confidence interval to estimate the average GPA for the student population at a college with a

Determine the sample size needed to construct a 99% confidence interval to estimate the average GPA for the student population at a college with a margin of error equal to 0.4. Assume the standard deviation of the GPA for the student population is 2.5.

The sample size needed is

nothing

(Round up to the nearestinteger.)

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