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If a single six-sided number cube is rolled twice, what is the probability that the sum is greater than 5, given that the first roll was a 3? A) 1/9 B) 13/18 C) 2/3 D)Cannot be determined
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If a single six-sided number cube is rolled twice, what is the probability that the sum is greater than 5, given that the first roll was a 3?

A) 1/9

B) 13/18

C) 2/3

D)Cannot be determined

User Pakpoom Tiwakornkit
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1 Answer

6 votes
Since the first roll was 3, that means that only another 3, or a 4, 5, or 6 will result in the sum being greater than 5. So you have a 4/6 chance, which should be B
User RishiC
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