Four persons are selected at random out of 3 men, 2 women and 4 children. The probability that there are exactly 2 children in the selection is a. 11/21            b. 9/21            c. 10/21          d. none of these

Explanation

To solve the problem of finding the probability that there are exactly 2 children in the selection of 4 persons from a group of 3 men, 2 women, and 4 children, we can follow these steps:

### Step 1: Determine the total number of people
We have:
- 3 men
- 2 women
- 4 children

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