A survey of 400 families of a town was conducted to find out how many children are there in a family. The result of the survey is given below:No. of Families50681827426No. of children01234Find the probability that a family has 3 children.

# A survey of 400 families of a town was conducted to find out how many children are there in a family. The result of the survey is given below:No. of Families50681827426No. of children01234Find the probability that a family has 3 children.

1. A
0.185
2. B
0.123
3. C
0.167
4. D
0.198

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### Solution:

From the given, the total number of outcomes is 400, (i.e.)  . And also, the number of favorable outcomes (i.e.) a family that has 3 children is 74, (i.e.)  .
Let E be the event that has 3 children in a family, then

Hence, the correct option is 1.

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