Let's assume we know that 1% of women over the age of 40 have breast cancer, that 90% of women who have breast cancer will test positive for breast...

Let's assume we know that 1% of women over the age of 40 have breast cancer, that 90% of women who have breast cancer will test positive for breast cancer in a mammogram., and that eight percent of women that do NOT have breast cancer will also test positive. What is the probability of having cancer if you have a positive test?

0.08

0.01

0.90

0.10