Exam 6 MATH 1332 S. There is a 10.67% chance that someone has the flu. A certain flu test correctly diagnoses 90% of the who have the flu, but incorrectly diagnoses 6% of those who don't have the flu. A patient obtains positive test result. What is the chance that they have the flu? 4. We are told that P(A | B) = 0.5, P(B | A) = 0.64, and P(A and B) = 0.32. (a) Find P(A) and P(B) (b) Are A and B independent? Explain why or why not