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Ex9: The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual.

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Ex9:

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The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n = 75, find the probability of a sample mean being greater than 226 if u = 225 and o = 6 2 For a sample of n = 75, the probability of a sample mean being greater than 226 if u = 225 and o = 6 2 is (Round to four decimal places as needed ) Would the given sample mean be considered unusual? The sample mean be considered unusual because it within the range of a usual event, namely within of the mean of the sample means

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