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Suppose the number of students in a class for the Business Statistics program at a...

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Suppose the number of students in a class for the Business Statistics program at a University has a mean of 23 with a standard deviation of 4.3. If 15 classes are selected randomly, find the probability that the mean number of students is between 20 and 30.(A) 0.9699(B) 0.6824(C) 0.8412(D) 0.9966

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Suppose the number of students in a class for the Business Statistics program at a University has a mean of 23 with a standard deviation of 4.3. If 15 classes are selected randomly, find the probability that the mean number of students is between 20 and 30.(A) 0.9699(B) 0.6824(C) 0.8412(D) 0.9966

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