Family

In a colony there are 75 families and each family has two children. Th number of made children of the families is as follows: If a family is selected at random, what is the probability that the family has only one male child?

Families

The average earning of each member of the Ambani family is 20% less than the average earning of each member of the Sahara family and the total earning of Ambani's family is 20% more than the total earning of Saharas's family. The no. of family members in the Sahara is what per cent of the no. of family members of Ambani :

Each of the three children in a family is equally likely to be a boy or a girl independent of the others. Define the events E: "all the children in the family are of the same sex F: "there is at most one boy in the family" G: "the family includes a boy and a girl" Then

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.

Cruciferae families|| Poaceae f amilies || Malvaceae families ||Cucurbitaceae families|| Asteraceae families