SOLUTION: A pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given that one die is showing a 5?

Question 352801: A pair of dice are rolled and the sum on their upturned
faces is recorded. What is the probability that the sum
showing is 8, given that one die is showing a 5?
Answer by sudhanshu_kmr(1152) (Show Source): You can put this solution on YOUR website!

total no. of ways to show faces if one is 5 = 2*6 = 12
i.e (1,5),(2,5)............(5,1),(5,2),......(5,6).

no. of ways to showing sum 8 if one dice is showing 5 = 2 i.e [5,3] and [3,5]

so, probability that the sum is 8 = 2/12

= 1/6

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