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2 votes
If a die is rolled twice what is the probability of rolling a 5 and then a 2?

1 Answer

3 votes
1/36 chance

If you roll a dice once you can get,
1, 2, 3, 4, 5 or 6.

If you roll it again you get,
1,1 - 1,2 - 1,3 - 1,4 - 1,5 - 1,6
2,1 - 2,2 - 2,3 - 2,4 - 2,5 - 2,6
3,1 - 3,2 - 3,3 - 3,4 - 3,5 - 3,6
4,1 - 4,2 - 4,3 - 4,4 - 4,5 - 4,6
5,1 - 5,2 - 5,3 - 5,4 - 5,5 - 5,6
6,1 - 6,2 - 6,3 - 6,4 - 6,5 - 6,6

There are 36 possible combinations. 2/5 only happens once. So, your chance is 1/36.

answered
User Ashwin Patil
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