Fifty-three percent of all persons in the U.S. population have at least some college education. Choose 10 persons at random. Find the probability that a. exactly one half have some college education...

Fifty-three percent of all persons in the U.S. population have at least some college education.  Choose 10 persons at random.  Find the probability that

a. exactly one half have some college education

b. at least 5 do not have any college education

c. fewer than 5 have some college education.