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29. Suppose a population is normally distributed with a mean of 15 and a variance of 9, X what are the mean and standard deviation

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29. Suppose a population is normally distributed with a mean of 15 and a variance of 9, X what are the mean and standard deviation for the frequency curve of the sample means, , when samples of size n = 36 are randomly selected? - 15 and o_ - 3 A. X - 15 and o. - 0.50 B. X - 2.5 and o_ - 9 C. X D. x = 15 and o_ - 1.5

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