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The bureau internal revenue claims that the mean wait time for taxpayer during a recent tax filing is at most 8.7 minutes. A random sample

  • The bureau internal revenue claims that the mean wait time for taxpayer during a recent tax filing is at most 8.7 minutes. A random sample of 11 taxpayers has a maen 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. Parameter: Ho: H1:

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