A new medical test has recently been approved to test for a rare genetic condition. The test is known to be 99% accurate. You ask that your doctor perform this test on you and the result comes back positive, that is, the test identifies you as having the condition. Calculate the probability that you do not actually have the condition in the following situations.

a. The condition is reasonably common and about 1% of the population is expected to have it.

b. The condition is rare and only 0.1% of the population is expected to have it.