43% of adults are stockholders. 75% of adult stockholders have some college education. 37% of adults have some college education. An adult is randomly selected.

What is the probability that the adult owns stock or has some college education?

S = stockholder, C = some college

P(S union C) = 0.43 + 0.37 - P(S int C) = 0.64, where P(S int C) = 0.43 * 0.37 = 0.1591. Is that right? Book's answer is 0.4775

What is the probability that the adult has neither some college education nor owns stock?

P(not S intersection not C) = (1-0.43) * (1-0.37) = 0.36

Book's answer is 0.5225.

Thanks!