Unformatted text preview: (b) at most one of the events A , B , C occurs; (c) none of the events A , B , C occurs; (d) aall three events occur; (e) exactly one of the events A , B , C occurs; (f) A and B occur, but not C ; (g) A occurs, if not then B does not occur either. 11. Let S be the sample space corresponding to the random experiment of tossing a coin three times and noting the sequence of H and T ( heads and tails ). Let A be the event that heads occurs exactly twice, let B be the event that at least two heads appear, and let C be the event that heads appears after tails has appeared at least once. (a) Give the elements of A , B , and C ; (b) Describe the events: (i) A ∩ B , (ii) A ∩ B , (iii) A ∩ C . – 1 –...
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 Spring '08
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 Probability, Probability theory, Papoulis

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