Hint 1 Hint 2 Hint 3

(d) How likely or unlikely is a male's foot length to be smaller than 9.5 inches? Not too unlikely, since the probability of being smaller than 9.5 is , which is not a particularly low probability.

(e) How likely or unlikely is a foot length longer than 15.5 inches? Extremely unlikely, since the probability of being longer than 15.5 is only .

(f) There is probability of 0.5 that a male's foot is shorter than .