A mean given by mu143 lb and a standard deviation given by, Ask an Expert

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Assume that women's weights are normally distributed with a mean given by mu=143 lb and a standard deviation given by sigma=29 lb.

(a) If 1 woman is randomly selected, find the probability that her weight is below 113

(b) If 4 women are randomly selected, find the probability that they have a mean weight below 113.

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