Refer to Exercise 5.26. a. In 4000 human gestation periods, roughly how many will exceed 9 months?

Question:

Refer to Exercise 5.26.
a. In 4000 human gestation periods, roughly how many will exceed 9 months?
b. In 500 horse races, roughly how many times will the favorite finish in the money?
c. In 389 traffic fatalities, roughly how many will involve an intoxicated or alcohol-impaired driver or nonoccupant?