In one region, 77% of people speak English only when they are at home, 12% speak only French, 10% speak only another language, and the remainder speak more than one language. Suppose that you are conducting a poll by calling people in this region at random. For your first three calls, find the following probabilities.
a) What is the probability that you talk to only people that speak only English at home?
b) What is the probability that you talk to no people that speak only French at home?
c) What is the probability that you talk to at least one person who speaks only a different language at home?
a) The probability is