Essay
The Metropolitan Bus Company claims that the mean waiting time for a bus during rush hour is less than 5
minutes. A random sample of 20 waiting times has a mean of 3.7 minutes with a standard deviation of 2.1
minutes. At α = 0.01, test the bus companyʹs claim. Assume the distribution is normally distributed.
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critical value t 
standardized...View Answer
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Correct Answer:
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standardized...View Answer
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