Lemma
EasyNormal distribution
OpenStax, Statistics §8.1 A Single Population Mean Using the Normal Distribution · Example 1 · Statistics · Normal distribution

A Single Population Mean Using the Normal Distribution · Example 1

Find a 90 percent confidence interval for the true (population) mean of statistics exam scores.

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OpenStax, Statistics · §8.1 A Single Population Mean Using the Normal Distribution · Example 1

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