SOLUTION: Suppose that two fair dice are rolled. Find the probability that the number on the first die is a 4 or the number on the second die is a 1 .

Algebra ->  Probability-and-statistics -> SOLUTION: Suppose that two fair dice are rolled. Find the probability that the number on the first die is a 4 or the number on the second die is a 1 .      Log On


   



Question 1197698: Suppose that two fair dice are rolled. Find the probability that the number on the first die is a 4 or the number on the second die is a 1 .
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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It is  P = P(1st is 4, 2nd is any) + P(1st is any, 2nd is 6) - P(1st is 4, 2nd is 6) = 


         = %281%2F6%29                   + %281%2F6%29                    - %281%2F6%29%2A%281%2F6%29     =     

         = 2%2F6 - 1%2F36 = 12%2F36 - 1%2F36 = 11%2F36.            ANSWER

Solved.