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Unformatted text preview: and B are mutually exclusive events, then P ( A ∪ B ) = P ( A ) + P ( B ). This statement is (a) True (b) False Problem 4 The total number of ways of choosing r objects from n objects with replacement when order is not important is (a) C n r (b) n r (c) C n + r-1 r (d) P n r 1 Problem 5 Let us recollect that φ denotes the empty set. For every event A (a) P ( A ∩ φ ) = 0 (b) P ( A ∩ φ ) = 1 (c) P ( A ∩ φ ) = P ( A ) (d) P ( A ∩ φ ) < 2...
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- Spring '08
- Probability, Coin, possible outcomes