Two dice are rolled. Find the probability that the faces are different given that the dice show sum of 10?

1 Answer
VSH
Mar 15, 2018

#2/3#

Explanation:

Here are the list of equally likely outcomes that have sum of 10.

4 + 6 = 10
5 + 5 = 10
6 + 4 = 10

Out of these 3, only two outcomes are those that have different faces (first and last).

P(different faces given that sum is 10) = #2/3#

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