Question 1096352: a pair of dice is thrown. find the probability of getting 7 as the, sum if it is known that the second die always exhibits an odd number
Answer by Fombitz(32388)   (Show Source):
You can put this solution on YOUR website! So then there are only 18 possible outcomes,
(1,1)(2,1)(3,1)(4,1)(5,1)(6,1)
(1,3)(2,3)(3,3)(4,3)(5,3)(6,3)
(1,5)(2,5)(3,5)(4,5)(5,5)(6,5)
With the sums,
2,3,4,5,6,7
4,5,6,7,8,9
6,7,8,9,10,11
There are 3 outcomes that sum to 7.
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