A baby whose gender is not mentioned is added to a nursery. Before the baby was added there were two boys in the nursery and an uncounted number of girls. After the new baby is added a baby is selected at random among all the babys. The selected baby is a boy. What is the probability that the added baby was a girl?

Question

anonymous · Answer

indeterminate or 1/2

anonymous · Answer

depending on how you look at it

anonymous · Answer

Can u explain plz?

anonymous · Answer

the baby was either a boy or girl. the probability of the baby being a boy is 1/2

anonymous · Answer

similarly the probability of the baby being a girl is 1/2

anonymous · Answer

forget what i said about indeterminate

anonymous · Answer

Thanks!!!