Q. 45.0( 2 Votes )

In a locality, 1000 families were chosen at random and the following data was collected:

Out of these families, a family was chosen at random. What is the probability that the chosen family has 2 children?




Answer :

Total number of families: 1000

Number of families having no children: 6

Number of families having 1 child: 184

Number of families having 2 children: 672

Number of families having 3 children: 127

Number of families having 4 or more children: 11

Probability P() =

Let p(2) be probability of families having 2 children

P (2) =

P (2) = =

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