Question

A data of 100 families with only 2 children were
collected. The data is as under:
Number of girls 2 1 0
Number of families 403525
A family is selected at random. Find the
probability that the selected family has 1 girl. ​

Answer 1

Answer:

0.35

Step-by-step explanation:

We are given the data of 100 families with only 2 children ;

      Number of girls        Number of families

                 2                                 40

                 1                                  35

                 0                                 25                

                                               Total = 100  

Now, a family is selected at random and we have to find the  probability that the selected family has 1 girl.

We can see from the data that number of families having 1 girl = 35

So, ​Probability that the selected family has 1 girl = 35 ÷ 100 = 0.35 .