Assume that blood pressure readings are normally distributed with a mean of 125 and a standard deviation of 6.4. If 64 people are randomly selected, find the probability that their mean blood pressure...

Extracted text: Assume that blood pressure readings are normally distributed with a mean of 125 and a standard deviation of 6.4. If 64 people are randomly selected, find the probability that their mean blood pressure will be less than 127. Round to four decimal places. O A. 0.9938 O B. 0.0062 O c. 0.8615 O D. 0.9998