What is probability that at least one of events a or b occur

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There is a 60 percent chance that the event A will occur. If A does not occur, then there is a 10 percent chance that B will occur.

(a) What is the probability that at least one of the events A or B occurs?

(b) If A is the event that the democratic candidate wins the presidential election in 2012 and B is the event that there is a 6.2 or higher earthquake in Los Angeles sometime in 2013, what would you take as the probability that both A and B occur? What assumption are you making?

Reference no: EM13901986

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