Quiz

A new noninvasive procedure for testing if a woman has breast cancer has been developed.  The test will come out positive 85% of the time when a women has breast cancer.  The test will come out negative 98% of the time when a woman does not have breast cancer.  5% of all women who take the test have breast cancer.  Find the probability that a randomly selected woman who takes the test will be a woman with breast cancer who tests negative.