SOLUTION: Three group of children contains respectively 3 girls & 1 boy; 2 girls & 2 boys; 1girl & 3 boys. One child is selected at random from each group. Find the chance of selecting 1 gir

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Question 845016: Three group of children contains respectively 3 girls & 1 boy; 2 girls & 2 boys; 1girl & 3 boys. One child is selected at random from each group. Find the chance of selecting 1 girl & 2 boys
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

P(1 girls, 2 boys chosen) = P(girl chosen from G1, GII or GIII)

                          = 3/4*1/2*3/4 + 1/4*1/2*3/4 + 1/4*1/2*1/4