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.

Explanation

To solve the problem of finding the probability that three selected children comprise one girl and two boys from the three groups, we can break it down step by step.

### Step 1: Identify the Groups
We have three groups of children:
- **Group 1**: 3 girls and 1 boy
- **Group 2**: 2 girls and 2 boys
- **Group 3**: 1 girl and 3 boys

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