Please help

attempt.php?attempt=1521248&page=1 X STATISTICS QUESTION 2 All athletes who come first, second or third in their event are tested for banned substances. Once samples are taken, they are Not yet answered each tested twice using Test X and Test Y. If the athlete used a banned substances, Test X has a 90% probability of being Marked out of 1.00 positive, while Test Y has an 80% chance of being positive. Each test is independent of each other. What is the probability that only one test is positive if the athlete has used a banned substance? Flag Select one question O a. 0.72 O b. 0.26 O C. 0.28 O d. 0.02 O e. 0.18 Next 9:08 PM 11/2/2022