In a family having three children, there may be no girl, one girl, two girls or three girls. So, the probability of each is . Is this correct? Justify your answer.
Solution. Probability: probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one.
Total children = 3
Cases – GGG, GGB, GBG, BGG, BBB, BBG, BGB, GBB were G is girl and B is boy.
Probability of 0 girl =
Probability of 1 girl =
Probability of 2 girl =
Probability of 3 girl =
Here they are not equal to