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A company claims that the mean time to resolve a customer complaint is less than 24 hours. A random sample of 40 complaints has a

A company claims that the mean time to resolve a customer complaint is less than 24 hours. A random sample of 40 complaints has a mean resolution time of 22 hours with a standard deviation of 4 hours. For each question please draw the graph of the distribution to show the rejection zone, and clearly state the conclusion. 19. Test the company's claim at a significance level of 0.10

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