(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Two tetrahedral dice (four-sided dice) are thrown. What is the probability that the sum of the scores is:

a) even

b) prime

c) even or prime?

2. Relevant equations

3. The attempt at a solution

a) P(even) = 1/2

b) P(prime) = 9/16

c) c for confused

Can someone please explain the theory behind answering Question c?

Cheers.

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# Homework Help: Probability! Two tetrahedral dice are thrown

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