The Mean Weight of a Group of Boys Is 165

Multiple Choice

The mean weight of a group of boys is 165 lb, with a standard deviation of 20 lb. If the weights are normally distributed, find the probability that one of the boys picked at random from the group weighs between 150 and 195 lb. Round your answer to four decimal places. ​

A) 0.4332
B) 0.2734
C) 0.1598
D) 0.7066
E) 0.2934