In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 69.3 inches and a standard deviation of...

In a survey of a group of​ men, the heights in the​ 20-29 age group were normally​ distributed, with a mean of 69.3 inches and a standard deviation of 4.0 inches. A study participant is randomly selected. Complete parts​ (a) through​ (d) below.​(a) Find the probability that a study participant has a height that is less than 65 inches.