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A. Choose an integer in [1, 100] at random. Compute the probability that it is divisible...

A. Choose an integer in [1, 100] at random. Compute the probability that it is divisible neither by 6 nor by 9 using the formula P(A ∪ B) = P(A) + P(B) − P(A ∩ B).

B. when you sit 3 men and 4 women at random in a row. What is the probability that either all the men or all the women end up sitting together?

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