Need help with understanding conditional probability with the questions.

Notes: Conditional Probability Many women have annual mammograms after age 40 to screen for breast cancer. Mammograms are not perfect and sometimes produce false positives and may also produce false negatives. In the Stone Oak. 1% of the women over 40 currently have breast cancer. 97% of the time the mammogram will detect the cancer in women with breast cancer. The probability of a positive mammogram in women who do not have cancer is 0.06 or 6% Complete the table below and answer the questions Total Total 1.0 1. What is the probability that an Stone Oak woman has: A. A positive mammogram? B. Given the test is positive, what is the probability that she does have cancer? C. Tests negative and does have cancer? D. Given the test is negative what is the probability that she does have cancer? E. Why the difference between the answers of C and D