You roll two standard number cubes. What is the probability that sum is odd, given than one of the number cubes shows a 4?

Question

Mathematics

Nylah Myers

25 October, 02:17

You roll two standard number cubes. What is the probability that sum is odd, given than one of the number cubes shows a 4?

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Answers (1)

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Mya Riggs · Answer 1

If one is already rolled as a 4, then there are only 6 other total combinations to get.

so what are sums to get an odd number?

4+1=5

4+3=7

4+5=9

so you have a 1/3 chance of getting an odd number, given that one of the dice is already a 4.