Khan/khan-exercises — Issue #12585: Probability 1 - Answer is wrong
Author: KhanBugz
Created: 2012-01-31 20:03:09+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

Reporter: carlosgjasso@gmail.com

A fair six-sided die is rolled. What is the probability that the result is prime? Write your answer as a simplified fraction.

The answer given is 1/2, but wouldn't 1 be part of the probability?, 1 is a prime number is it not?

[probability_1.html?seed=115&problem=1](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/probability_1.html?seed=115&problem=1&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/probability_1.html?seed=115&problem=1&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%222%2F3%5C%22%22%2C13%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%5D)

["2/3"]

Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7

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