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Suppose X1, X1s are the random sample from the normal population with a mean of 15 and standard deviation of 10. Find the

" Suppose X1, X1s are the random sample from the normal population with a mean of 15 and standard deviation of 10. Find the approximate probability that the sample mean is between 13 and 15. 0.2794 0.7794 O 0.7930 O 0.5783 6.62770

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