28-) The lengths of pregnancies are normally distributed with a mean of 263 days and a standard deviation of 30 days. If 144 women are randomly selected, find the probability that they have a mean pregnancy between 263 days and 265 days. 30. The average number of pounds of red meat a person consumes each year is 196 with a standard deviation of 22 pounds (Source: American Dietetic Association). If a sample of 50 individuals is randomly selected, find the probability that the mean of the sample will be greater than 200 pounds. O A. 0.2881 O B. 0.2119 O A. 0.7613 O C. 0.7881 OB. 0.8815 O D. 0.5517 O C. 0.9015 29 . ) O D. 0.0985 Assume that blood pressure readings are normally distributed with a mean of 116 and a standard deviation of 8. If 100 people are randomly selected, find the probability that their mean blood pressure will be less than 118. O A. 0.8819 O B. 0.9938 O C. 0.0062 O D. 0.8615