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July 30, 2015

Homework Help: Math - PreCalc (12th Grade)

Posted by Shawna on Friday, March 21, 2014 at 10:01am.

A fair coin is tossed 3 times in a row. If X is the number of heads counted, what is the mean of the probability distribution of X?

A) 1.0
B) 1.5
C) 2.0
D) 2.5
E) 3.0

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