On the road again. According to Exercise 2, the probability that a U.S. resident has traveled to Canada is 0.18, to Mexico is 0.09, and to both countries is 0.04.
a) What's the probability that someone who has traveled to Mexico has visited Canada too?
b) Are traveling to Mexico and to Canada disjoint events? Explain.
c) Are traveling to Mexico and to Canada independent events? Explain.
Exercise 2
Travel. Suppose the probability that a U.S. resident has traveled to Canada is 0.18, to Mexico is 0.09, and to both countries is 0.04. What's the probability that an American chosen at random has
a) traveled to Canada but not Mexico?
b) traveled to either Canada or Mexico?
c) not traveled to either country?