Question

in a single birth, assume that the probability of the baby being a boy or girl is equal and that single births are independent events. what is the probability that in a family with four children, the two oldest are girls?

I got 4/16 is this correct?

Answer 1

@RaphaelFilgueiras

Answer 2

P(bbgg)+p(bggg)+p(gggg)+p(gbgg)

Answer 3

4(1/(2^4))=4/16

Answer 4

yes i think it's correct

Answer 5

Thank you! :)

Answer 6

yw