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February 1, 2015

February 1, 2015

Posted by **nitz** on Friday, September 21, 2012 at 12:07am.

a.) 2 girls and 1 boy?

b.) 2 girls followed by a boy?

c.) at least 1 girl?

please answer my question thank you very much, have a good day!

- probability -
**Reiny**, Friday, September 21, 2012 at 9:01amThere are 8 ways to have B G

a)2 girls and 1 boy ---> GGB GBG BGG

Prob = 3/8

b) 2 girls followed by boy --->GGB

prob = 1/8

c) at least one girl, means exclude BBB

prob = 1 - 1/8 = 7/8

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