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In: Statistics and Probability

Assume that females have pulse rates that are normally distributed with a mean of mu equals...

Assume that females have pulse rates that are normally distributed with a mean of mu equals 73.0 beats per minute and a standard deviation of sigma equals 12.5 beats per minute. Complete parts​ (a) through​ (b) below.

a. If 1 adult female is randomly​ selected, find the probability that her pulse rate is between 66 beats per minute and 80 beats per minute.

The probability is _______ .

b. If 4 adult females are randomly​ selected, find the probability that they have pulse rates with a mean between 66 beats per minute and 80 beats per minute.

The probability is _____.

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