Question

In: Statistics and Probability

Assume that females have pulse rates that are normally distributed with a mean of 75.0 beats...

Assume that females have pulse rates that are normally distributed with a mean of 75.0 beats per minute and a standard deviation of 12.5 beats per minute.
A. If 1 adult female is randomly selected, find the probability that her pulse rate is less than 81 beats per minute.
B. If 25 adult females are randomly selected, find probability that they have pulse rates with a mean less than 81 beats per minute.

Solutions

Expert Solution

Refer Standard normal table/Z-table to find the probability or use excel formula "=NORM.S.DIST(0.48, TRUE)" to find the probability.

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Refer Standard normal table/Z-table to find the probability or use excel formula "=NORM.S.DIST(2.40, TRUE)" to find the probability.

orchestra answered 2 years ago
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