In a local election, one party has two candidates (Adams and Baker) up for two open seats on the city council. Polls indicate that there is a 45% chance that Adams will win a seat, a 35% chance that Baker will win a seat, and a 15% chance that both candidates will win a seat.

(a.) What is the probability that Adams or Baker will win a seat? That is, find P(A or B).

(b.) If Baker wins a seat, what is the probability that Adams will also win a seat?That is, find the conditional probability P(A | B).