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[All Steps] The Metropolitan Bus Company claims that the mean waiting time for a bus during rush hour is 10 minutes. A random sample of 20 waiting times

Question: The Metropolitan Bus Company claims that the mean waiting time for a bus during rush hour is 10 minutes. A random sample of 20 waiting times has a mean of 8.5 minutes with a standard deviation of 2.1 minutes. At = 0.05, test the bus company’s claim. Decide whether the normal distribution or the t-distribution should be used.

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Solution: The downloadable solution consists of 1 pages
Deliverable: Word Document


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