Ignoring twins and other multiple births,assume babies born at a hospital are independent events with the probability that a baby is a boy and the probability that a baby is a girl both equal to 0.5.What is the probability that the next three babies are of the same sex?
A)0.125
B)0.250
C)0.375
D)0.500

Question

Quizplus · Accepted Answer

The probability that all three babies are boys is (0.5)^3 = 0.125, and the probability that all three are girls is also (0.5)^3 = 0.125. Therefore, the probability that the next three babies are of the same sex is 0.125 + 0.125 = 0.250.

Ignoring Twins and Other Multiple Births,assume Babies Born at a Hospital