Asked by Anonymous
The probability of three independent events are 1/2,1/3,1/4 respectively. What's the probability that two of them will occur?
Answers
Answered by
Steve
since the combinations are mutually exclusive, the final probability is the sum of the probabilities of the three combinations. That is,
1/2 * 1/3 + 1/2 * 1/4 + 1/3 * 1/4
1/2 * 1/3 + 1/2 * 1/4 + 1/3 * 1/4
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