Khan/khan-exercises — Issue #10650: Probability 1 - error
Author: KhanBugz
Created: 2012-01-08 16:19:08+00:00
State: open
Labels: ie8, ie9, win7, wrong-or-unclear

Reporter: faizanbadar1989@gmail.com

number of balls is undefined or unspecified.

[probability_1.html?seed=168&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/probability_1.html?seed=168&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/probability_1.html?seed=168&problem=0&debug&activity=%5B%5B%22hint-activity%22%2C%220%22%2C27%5D%2C%5B%22hint-activity%22%2C%220%22%2C53%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22(1%2F3\)%5C%22%22%2C91%5D%2C%5B%22incorrect-activity%22%2C%22%5C%220.33%5C%22%22%2C9%5D%2C%5B%22hint-activity%22%2C%220%22%2C12%5D%2C%5B%22incorrect-activity%22%2C%22%5C%220.34%5C%22%22%2C25%5D%2C%5B%22incorrect-activity%22%2C%22%5C%221by3%5C%22%22%2C13%5D%2C%5B%22incorrect-activity%22%2C%22%5C%220.3333333333333333333333333%5C%22%22%2C6%5D%2C%5B%22incorrect-activity%22%2C%22%5C%221%5C%22%22%2C20%5D%5D)

["(1/3)","0.33","0.34","1by3","0.3333333333333333333333333","1"]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)

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