A rifleman gets 3 hits out of every 10 shots on the average. Assuming that the probability that he gets a hit is constant from shot to shot, and that each shot is independent of every other shot, find...

A rifleman gets 3 hits out of every 10 shots on the average. Assuming that the probability that he gets a hit is constant from shot to shot, and that each shot is independent of every other shot, find the approximate probability that he will get at least 40 hits in his next 100 shots.

a. 0.01923

b. 0.18747

c. 0.57477

d. 0.73858