Three groups of children contain 3 girls and 1 boy; 2 girls and 2 boys; 1 girl and 3 boys respectively. One child is selected at random from each group. Find the chance that the three selected comprise one girl and 2 boys.

Three groups of children contain respectively 3 girls and 1 boy, 2 girls and 2 boys and 1 girl and 3 boys. One child is selected at random from each group. Find the chance that the selected group consists of 1 girl and 2 boys.

Three groups of children contain respectively 3 girls and 1 boy , 2 girl and 2 boys , 1 girl and 2 boys . One child is selected at random from each group.The chance that the three selected children consists of one girl and 2 boys is

Three groups of children contain respectively 3 girls and 1 boy, 2 girls and 2 boys and 1 girl and 3 boys one child is selected at random from each group find the chance that the selected group contain 1 girl and 2 boys.

Three groups of children contain respectively 3 girls and 1 boy, 2 girls and 2 boys and 1 girl and 3 boys. One child is selected at random from each group. The probability that the three selected consists of 1 girl and 2 boys is

Three groups of children contain 3 girls and one boy , 2 girls and 2 boys , one girl and 3 boys. One child is selected at random from each group . The probability that the three selected consist of 1 girl and 2 boys is

Suppose there are 3 groups A,B and C comprising 4 girls,3 boys; 6 girls,7 boys and 3 girls,2 boys,respectively.One child is selected at random from each group.What is the probability that the 3 selected have 2 girls and 1 boy?