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2. Given events A and B (a) let C be the event that A will occur and B will not occur. Express C in terms of A and B. Let D be the event that B will occur and A wil not occur. Express D in terms of A and B (b) let E be the event that exactly one of the events A or B will occur. Express E in terms (c) Use the result in (a) to find a formula for the probability of E in terms of the quantities (d) Compare the resulting formula with the formula for P(F), where F is the event that at of A and B. P(A), P(B) and P(AnB least one of the events A or B will occur

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