Given that 1 in 10 babies are born with a vascular birthmark, what is the approximate probability of having a boy with a vascular birthmark?

Question

Quizplus · Accepted Answer

The probability of having a baby with a vascular birthmark is 1 in 10, or 10%. Since the question asks for the probability of having a boy with a vascular birthmark, we need to assume that the probability of having a boy is 50%. Therefore, the probability of having a boy with a vascular birthmark is 10% * 50% = 5%.

Given That 1 in 10 Babies Are Born with a Vascular