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6. (16 marks) An urn contains ve balls numbered 1 through 5. The balls are selected one at a time without replacement. A match occurs if the ball numbered m is the mth ball selected. Let the event Ai denotes a match on the ith draw, i=l,2,3,4,5. Find P042) and P0112 0 A3). '7 . (16 marks) Let A and B be two independent events, and let P (A) = 313(3) = E. Find PM u B), P(A|A u B),P(B|A o B)