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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? H- = 15 and o- = 3 A. H- = 15 and o_ = 0.50 B. Py = 2.5 and o_ = 9 H- = 15 and o_ = 1.5 D

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