math probablity
posted by Angela on .
Assume a family is planning to have three children.
A. What is is the probablity of a family having 2 girls.
B. The probablity of a family having at least 1 boy.
C. List the sample space using a B for Boy and G for girl (Hint there should be 8 possible outcomes).
??????

anwered here
http://www.jiskha.com/display.cgi?id=1367008412
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