2 boys and 2 girls are in room X, and 1 boy and 3 girls in room Y. Specify the sample space for the experiment in which a room is selected and then a person.

From a group of 2 men and 3 women, two persons are selected. Describe the sample space of the experiment. If E is the event in which one man and one woman are selected, then which are the cases favourable to E ?

From a group of 2 boys and 3 girls, two children are selected at random. Describe the event : A: both selected children are girls

From a group of 2 boys and 3 girls, two children are selected at random. Describe the event : C: at least one boy is selected.

A bag contains 2 white balls and 3 blue balls. What is the sample space if the experiment consists of drawing from the bag : 1 ball

Describe the sample space for the indicated experiment in the following : Select two persons from a group of 3 boys and 2 girls.

In a cer tain college, 4% of boys and 1% of girls are taller than 1.75 metres. Furthermore, 60% of the students in the college are girls. A student is selected at random from the college and is found to be taller than 1.75 metres. Find the probability that the selected student is girl.

An experiment consists of recording boy-girl composition of families with 2 children. What is the sample space if we are interested in knowing whether it is a boy or a girl in the order of their births ?

An experiment consists of recording boy-girl composition of families with 2 children. What is the sample space if we are interested in knowing whether it is a boy or girl in the order of their births?

Three groups of children contain respectively 3 girls and 1 boy , 2 girl and 2 boys , 1 girl and 2 boys . One child is selected at random from each group.The chance that the three selected children consists of one girl and 2 boys is

Three boys and three girls are to be seated around a table in a circle. Among them, the boy X does not want any girl neighbour and the girl Y does not want any boy neighbour. How many such arrangements are possible ?