Question

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 74.0 beats per minute and a standard deviation of sigma equals 12.5 beats per minute. Complete parts (a) through (c) below.

If 4 adult females are randomly selected, find the probability that they have pulse rates with a mean between 70 beats per minute and 78 beats per minute.
The probability is ?

Solutions

Expert Solution

=P[-0.64<Z<0.64]

=0.7389-0.2611................by using Z table.
=0.4778


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