Question

Suppose that 1% of all people have a particular disease. a test for the disease is 99% accurate. this means that a person who has the disease has a 99% chance of testing positive for the disease, while a person who doesn't have the disease has a 99% chance of testing negative for the disease. if a person tests positive for the disease, what is the chance (rounded to the nearest hundredth) that he or she actually has the disease

Answer 1

1 percent is accurate
Whose not disease