Question

At a hospital, 56 percent of the babies born are not girls. Of the baby girls born, 12 percent are premature. What is the probability of a premature baby girl being born at this hospital? Round to the nearest percent.

5%
7%
21%
27%

Answer 1

44% of babies are girls (100% − 56%). 12% of those girls are premature, so 0.44 × 0.12 = 0.0528 = 5.28%, which rounds to 5%. Answer: 5%.