Answer these solve

A new screening test for breast cancer was administered to 1,271 women with biopsy-proven breast cancer and to 1,472 women without breast cancer. The new screening test was positive for 394 ofthe diagnosed cases of breast cancer from biopsy and for 106 of those with no breast cancer. What is the probability of actually having the disease if someone has a positive test result? (express your answer as percentage with two decimals) A screening test for bowel cancer was administered to 3,107 individuals with biopsy-proven bowel cancer and to 5,723 individuals without bowel cancer. Test result was positive for 1,482 patients who were previously diagnosed cases and was also positive for 370 who were free of bowel cancer. What percentage (of those who really have the bowel cancer) is correctly identified by this screening test? (express your answer as percentage with two decimals)