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:
What percent of women in their 50s taking a screening mammography receive a positive test result?

Question

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:
 What percent of women in their 50s taking a screening mammography receive a positive test result?

Quizplus · Accepted Answer

The probability given is 12%, which is equivalent to 0.12 or 12 out of 100. This means that out of 100 women in their 50s who take a screening mammography, 12 will have a positive test result. Therefore, the correct answer is (B) 12%.

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