The Incidence of Breast Cancer Varies Depending on a Woman's

Multiple Choice

The incidence of breast cancer varies depending on a woman's age. The National Cancer Institute gives the following probabilities for a randomly chosen woman in her 50s who takes a mammography to screen for breast cancer:
A false positive happens when someone getting a mammography does not have cancer and receives a positive test. What percent of women in their 50s taking a screening mammography receive a false positive?

A) 50%
B) 16%
C) 10%
D) 2%