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October 20, 2014

October 20, 2014

Posted by **Sean** on Monday, March 21, 2011 at 10:46pm.

Looking for the expected value of X.

- Math 102 -
**drwls**, Monday, March 21, 2011 at 11:04pmProbability of 0 red = (2/6)(1/5) = 2/30

Probability of 1 red: 2*(4/6)(2/5) = 16/30

Probability of 2 red: (4/6)*(3/5) = 12/20

Expectation value = 0/30 + 16/30 + 24/30 = 4/3

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