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Suppose A and B are events in a sample space Ω. Let P(A) = 0.4, P(B)...

Suppose A and B are events in a sample space Ω. Let P(A) = 0.4, P(B) = 0.5 and P(A∩B) = 0.3. Express each of the following events in set notation and find the probability of each event:

  1. a) A or B occurs

  2. b) A occurs but B does not occur

  3. c) At most one of these events occurs

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