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What is the probability of getting a sum of 5 when you roll two number cubes
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What is the probability of getting a sum of 5 when you roll two number cubes

User KommradHomer
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2 Answers

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on each roll, there is a probability of 4/36 = 1/9

the expectation is that you will get a sum of 5
once in every 9 rolls.
User Eacousineau
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6.9k points
2 votes
You have to think of all posibilltiies
3,2
2,3
4,1
1,4
Those are number that can happen so the answer would be 4/6 because there are 6 numbers on a number cube = 2/3
User Kit Ho
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5.7k points
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