15%of the U.S. population has math fever. If an individual has math fever, a testaccurately identifies the condition 80% of the time. If an individual does nothave math fever, the test accurately identifies the individual as not havingmath fever 90% of the time. The following list describes theseoutcomes:

MathFever 15%

PosTest 80%

NegTest 20%

NoMath Fever 85%

PosTest 10%

NegTest 90%

What percent of the time is the test?inaccurate

What is the probability of a false positive?

What is the probability that the individual does not have math fever given that thetest is negative?

I know that the answers should be:

0.885, 0.115, 9623

but I'm not sure how to set up any of these