Mathematics, 04.04.2020 12:45 sakugrey

He takes a random sample of 49 recent charterholders and computes a mean salary of $172,000 with a standard deviation of $35,000. Use this sample information to determine the 90% confidence interval for the average salary of a CFA charterholder.

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He takes a random sample of 49 recent charterholders and computes a mean salary of $172,000 with a s...