Mathematics, 11.05.2021 01:30 nakeytrag
6. The IRS claims that the mean wait time for callers during tax season was at most 7
minutes. A random sample of 11 callers has a mean wait time of 8.7 minutes and a
standard deviation of 2.7 minutes. Is there enough evidence to reject the claim at a
significance level of 0.10?
Answers: 1
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6. The IRS claims that the mean wait time for callers during tax season was at most 7
minutes. A r...
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