Question: According to Exercise 16, the probability that a U.S. resident has traveled to Canada is 0.18, to Mexico is 0.09, and to both countries is

According to Exercise 16, 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.

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