Question 435913
You roll two dice. What is the probability that 
the first lands on a 6 given that the sum is 10.
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Sum is 10: 4/6;5/5;6/4 :: 3 ways
1st lands on 6: 6/4 :: 1 way
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P(1st on 6|sum is 10) = 1/3
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cheers,
Stan H.