Unformatted text preview: (b) Exactly one of the letters is in the right envelope? 6. Ross Page 62, problem 16 7. A couple has two children. What is the probability that both are girls given that the oldest is a girl? What is the probability that both are girls given that one of them is a girl? (Assuming it is equally likely to have a boy or a girl.) 8. In any given year a male automobile policy holder will make a claim with probability p m , and a female policy holder will make a claim with probability p f , where p m 6 = p f . The fraction of the policyholders that are male is α , 0 ≤ α ≤ 1. A policyholder is randomly chosen. If A i denotes the event that this policyholder will make a claim in year i , show that P ( A 2  A 1 ) > P ( A 1 ) 1...
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This note was uploaded on 01/13/2010 for the course STATS 116 taught by Professor Staff during the Spring '07 term at Stanford.
 Spring '07
 Staff
 Probability

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