Khan/khan-exercises — Issue #14694: Probability 1 - A fair six-sided die is rolled. What is the probability that the result is prime?
Author: KhanBugz
Created: 2012-02-26 18:05:52+00:00
State: open
Labels: chrome, wrong-or-unclear

The answer should be 1/3 since only 3 and 5 are prime. It would only be 1/2 if you consider 1 as prime.

[probability_1.html?seed=9&problem=1](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/probability_1.html?seed=9&problem=1&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/probability_1.html?seed=9&problem=1&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%221%2F3%5C%22%22%2C38%5D%2C%5B%22correct-activity%22%2C%22%5C%221%2F2%5C%22%22%2C59%5D%5D)

["1/3","1/2"]

Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11

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