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Probability Conceptional Questions: 1. A intersection B^c= A-B? 2. can two independent events occur conditional probability...

Probability Conceptional Questions:

1. A intersection B^c= A-B?

2. can two independent events occur conditional probability

3. Three couples sit randomly in a row what is the probability that no husband sits beside his wife. (hint: use inclusion-exclusion formula and you have to use noation P(A),P(B), P(AUB), P(A intersection B) rather than just give out the number)

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