1500 families with 2 children were selected randomly, and the following data were recorded :
`{:("Number of girls in a family",2,1,0),("Number of families",475,814,211):}`
Compute the probability of a family , chosen at random, having
2 girls

1500 families with 2 children were selected randomly, and the following data were recorded : {:("Number of girls in a family",2,1,0),("Number of families",475,814,211):} Compute the probability of a family , chosen at random, having No girl

1500 families with 2 children were selected randomly , and the following data were recorded. {:("Number of girls in a family",2,1,0),("Number of families",475,814,211):} Compute the probability of a family , chosen at random , having No girls. Also check whether the sum of these probabilities is 1.

1500 families with 2 children were selected randomly , and the following data were recorded. {:("Number of girls in a family",2,1,0),("Number of families",475,814,211):} Compute the probability of a family , chosen at random , having No girls. Also check whether the sum of these probabilities is 1.

100 families with two children were selected randomly and the following data were recorded : {:("No. of girls in family",2,1,0),("No. of families",12,80,8):} Calculate the probability of a family chosen at random having two girls

100 families with two children were selected randomly and the following data were recorded : {:("No. of girls in family",2,1,0),("No. of families",12,80,8):} Calculate the probability of a family chosen at random having One girl.

100 families with two children were selected randomly and the following data were recorded : {:("No. of girls in family",2,1,0),("No. of families",12,80,8):} Calculate the probability of a family chosen at random having no girl

100 families with two children were selected randomly and the following data were recorded : {:("No. of girls in family",2,1,0),("No. of families",12,80,8):} Calculate the probability of a family chosen at random having two girls

100 families with two children were selected randomly and the following data were recorded : {:("No. of girls in family",2,1,0),("No. of families",12,80,8):} Calculate the probability of a family chosen at random having no girl

100 families with two children were selected randomly and the following data were recorded : {:("No. of girls in family",2,1,0),("No. of families",12,80,8):} Calculate the probability of a family chosen at random having One girl.

1000 families with 2 children were selected randomly and the following data were recorded. |{:("Number of boys in a family"," 0 1 2"),("Number of families"," 140 560 300"):}| If a family is chosen at random, find the probability that it has (i) no boy (ii) one boy (iii) two boys (iv) at least one boy (v) at most one boy.