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2. In Short Springs, the heights of a random sample of 40 males was found to have a mean of 62 inches. It is known

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2. In Short Springs, the heights of a random sample of 40 males was found to have a mean of 62 inches. It is known from a previous study that the standard deviation of all males in Short Springs is 2.5 inches. Use a 05 significance level to test the claim that the males of Short Springs have a mean height of at least 63 inches

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