Answer Happy

Mark Question 5 10% of the population has an infection. A special test can help determine if a person is infected. If someone is infected, the test will indicate this correctly 95% of the time. But if someone is not infected, the test will give a "false positive" and wrongly indicate infection with a 3% probability. If a person selected at random from the population is determined to be infected according to the test result, what is the probability they actually are infected? А 0.779 B 0.878 с 0.905 0.973 E 0.994