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January 28, 2015

January 28, 2015

Posted by **Anonymous** on Friday, November 13, 2009 at 11:34am.

Can someone help me figure out how to solve this, please?

- Math -
**bobpursley**, Friday, November 13, 2009 at 11:50amYOu could get

Htt

tHt

ttH

HHt

HtH

tHH

HHH

7 ways to get at least one head, and the probability of getting each one of those is 1/2*1/2*1/2 or 1/8

Pr= 7/8 getting at least one head.

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