A newspaper on January 24, 1997, discussed the recommendation of a special panel concerning mammograms for women in their 40s. About 1% of women aged 40 to 49 years old develop breast cancer in their 40s. But the mammogram used for women in that age group has a high rate of false positives and false negatives; the false positive rate is 0.24, and the false negative rate is 0.26. If a woman in her 40s has a positive mammogram, what is the probability that she actually has breast cancer?

The probability that a woman that has a positive mammogram actually has cancer is?