# Math help

You roll a standard, six sided number cube. what is the probability of rolling a prime number or a number greater than 2.

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1. 1, 2, 3, 4, 5, 6

p greater than 2 = 4/6 = 2/3
p 2 or smaller and prime = 2/6 = 1/3

2/3 + 1/3 = 1

every single side of the cube is either greater than 2 or prime (two and one) so you simply will get the desired result in 100% of your rolls :)

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posted by Damon
2. What is the probability of rolling a 5 on a sided number cube

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