Assuming boy and girl children are equally likely and births are independent, if parents have two children, what is the probability that at least one is a boy? On the condition that at least one is a boy, what is the probability that one of the children is a girl?
Probability = Number of favorable outcomes / Total no of outcomes
In a two-child family, there are four and only four possible combinations of children. If we label boys as B and ...
The probability of having boy child and girl child have been calculated.