Question: 13. You roll two (fair) dice. a. What is the probability that at least one of the dice has rolled a 4? b. You are

13. You roll two (fair) dice. a. What is the probability

13. You roll two (fair) dice. a. What is the probability that at least one of the dice has rolled a 4? b. You are told the sum is X. Conditioned on the value of X, for X z 2, 3, . . . , 12, What is the probability that at least one of the dice has rolled a 4 now? (3. Compute the probability that 'the sum is 10' conditioned on 'at least one of the dice has rolled a 4

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