Question

Marti rolls two dice what is the probability that the sum of the dice is 7 given that the first die is 2

Answer 1

A - the sum of two dice is 7

B - the first die is 2

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Answer 2

we have 6x6 for all the possibilities for rolling 2 dices. and we know: (2;5) is the only way So the answer should be 1/36 i hope its right  :)