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 at least one of the next three babies is a boy?
A)0.125
B)0.333
C)0.750
D)0.875

Question

Quizplus · Accepted Answer

The probability that all three babies are girls is (0.5)^3 = 0.125. Therefore, the probability that at least one of the three babies is a boy is 1 - 0.125 = 0.875.

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