Anumber cube is rolled. what is the probability of rolling 2, 3, or 5?

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Since there are six sides of a cube, or a die, the probability of rolling a 2 is 1/6. In the same way, the probability of getting a 3 is 1/6 and getting a 5 is also 1/6. Hence, the probability of rolling 2, 3 or 5 is the sum of all the probabilities each number can be rolled. That is P = 1/6 + 1/6 + 1/6 which is 3/6 or 50%. There is a 50% chance that the number rolled is 2, 3, or 5. 

The probability of rolling any one of these numbers is 1/6, which converted in to percentage is 16.6%. The probability of rolling any two of these numbers is 2/6 which converted in to percentage is 33.3%. The probability of rolling all 3 of these numbers is 3/6, which converted in to a percentage is 50%. Hope it helps:).

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