There are 500 students in the senior class at the certain high school. The high school offers two Advanced Placement language classes to seniors only: AP Spanish as well as AP French. The roster of Spanish class shows 32 people; the roster of French class shows 29 people. There are 17 overachieving seniors on both rosters. 14.
a. Determine the probability that a randomly selected senior is in exactly one of two classes (but not both)?
b. If the student is in the French class, determine the probability the student is also in the Spanish class?