The table to the right is based on the assumption that 1% of breast tumors are malignant. It also assumes that mammogram screening is 90% accurate. Complete parts (a) through (c) below. ... Positive Mammogram Negative Mammogram Total (Type an integer or decimal rounded to the nearest tenth as needed.) b. What is the chance of a positive mammogram, given that the patient has cancer? (Type an integer or decimal rounded to the nearest hundredth as needed.) Tumor is Tumor is Malignant Benign 90 1206 10 a. Suppose a patient has a positive mammogram. What is the chance that she really has cancer? 100 8694 9900 (Type an integer or decimal rounded to the nearest tenth as needed.) c. Suppose a patient has a negative mammogram. What is the chance that she actually does have cancer? Total 1296 8704 10,000

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