SOLUTION: What is the probability of rolling a prime number on a six sided number cube.

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Question 440709: What is the probability of rolling a prime number on a six sided number cube.
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

What is the probability of rolling a prime number on a six sided number cube.

possible outcomes: 1,2,3,4,5,6 of which 1,2,3 and 5 are prime: 

(prime number has exactly two divisors, 1 and the number itself)

P(prime number) = 4/6 = 2/3