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Question

You are going to roll two dice. Let the variable x = the sum of the numbers rolled.

What is the probability that x = 9?
12 years ago

Answers

drwls
Of the 36 possible results of a throw of two dice, 4 add up to nine. They are 3+6, 4+5, 5+4 and 6+3.

So the probabability of throwing a nine is 4/36 = 1/9
12 years ago

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