Assume That Blood Pressure Readings Are Normally Distributed with a Mean

Multiple Choice

Assume that blood pressure readings are normally distributed with a mean of 122 and a standard deviation of6.4. If 64 people are randomly selected, find the probability that their mean blood pressure will be less than 124.

A) 0.9938
B) 0.0062
C) 0.9998
D) 0.8615