Assume that womens heights are normally distributed with a m

Assume that women\'s heights are normally distributed with a mean given by =62.3 in, and a standard deviation given by =2.8 in. (a) If 1 woman is randomly selected, find the probability that her height is less than 63 in. (b) If 30 women are randomly selected, find the probability that they have a mean height less than 63 in.

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