In a group of 40 students: 22 study French (F), 16 study Spanish (S), 8 study both.
(a) How many study neither French nor Spanish?
(b) A student is chosen at random. Find P(studies French only). Give as a fraction.
(c) A student who studies Spanish is chosen at random. Find P(also studies French). Give as a fraction in lowest terms — enter as decimal.