SOLUTION: I'm having an issue with this probability problem. I don't even know where to start:
A pair of fair dice is rolled. What is the probability that the number landing uppermost on
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Question 852767: I'm having an issue with this probability problem. I don't even know where to start:
A pair of fair dice is rolled. What is the probability that the number landing uppermost on the first die is a 6 if it is known that the sum of the numbers landing uppermost is 7?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The ways to make a 7 with 2 die is:
(1) 6 and 1
(2) 1 and 6
(3) 2 and 5
(4) 5 and 2
(5) 3 and 4
(6) 4 and 3
------------
There are 6 ways to make a 7 with the 2 die,
but there is only 1 way to make 7 if the 1st
die comes up 6.
The probability of getting
(1) 6 and 1 is 1/6
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