1500 families with 2 children were selected randomly and the following data were recorded: No. of girls in a family 0 1 2 No. of families: 211 814 475 If a family is chosen at random, compute the probability that it has: (i) No girl (ii)  1 girl     (iii)  2 girls (iv) at most 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.

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.

1000 families with 2 children were selected randomly, and the following data were recorded: N u m b e r\ of\ boy s\ in\ a\ fa m i l y : 0 1 2 N u m b e r\ of\ fa m i l i e s : 140 560 300 If a family is chosen at random, find the probability that it has (i) No boy (ii) one boy (iii) 2 boys (iv) at least one boy (v) at most one boy

In a locality 100 families were chosen at random and the following data was collected: |{:("Number of childeren"," 0 1 2 3 4 or more"),("is each family",),("Number of families"," 3 40 45 12 0"):}| If a family is chosen at random, find the probability that the chosen family has 3 or more children.

A family has five girls and no son, the probability of the occurance of son in 6^(th) child is :-

A class consists of 10 boys and 8 girls. Three students are selected at random. What is the probability that the selected group has (i) all boys? (ii) all girls? (iii) at least one girl?

Six boys and six girls sit in a row randomly. The probability that the six girls sit together is (i) 17/132 (ii) 15/132 (iii) 131/132 (iv) 1/132

A father has 3 children with at least one boy. The probability that he has 2 boys and 1 girl is 1//4 b. 1//3 c. 2//3 d. none of these

A father has 3 children with at least one boy. The probability that he has 2 boys and 1 girl is 1//4 b. 1//3 c. 2//3 d. none of these

Assume that in family ,each child is equally likely to be a boy or a girl . A family with three children is chosen at random . The probalility that the eldest child is girl given that the family has atleast one girl is