Hi! I require some help with homework that I am unable to complete; please provide the full working steps (and explanation for each answer if possible). Thanks in advance!

9. Given the following statistics, what is the probability that a woman over 50 has breast cancer if she has a positive mammogram result? One percent of women over 50 have breast cancer. . Ninety percent of women over 50 who have breast cancer test positive on mammograms. . Eight percent of women over 50 will have false positives on mammograms to detect breast cancer.10. Four people are to be chosen at random from five men and four women to form a team. Find the probability that the team contains two men and two women, (ii) at least two women