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The probability that married man watches...

The probability that married man watches certain TV show is 0.4 and the probabi9lity that a married woman watches the show is 0.5. the probability that a man watches the show, given that his wife dies, is 0.7. then (a)the probability that married couple watches the show is 0.35 (b)the probability that a wife watches the show given that her husband does is 7/8 (c)the probability that at least one person of a married couple will watch the show is 0.55 (d)none of these

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