Solve the problem.
-A drug company is running trials on a new test for anabolic steroids.The company uses the test on 400 athletes know to be suing steroids and 200 athletes known not to be using steroids.Of those using steroids,the new test is positive for 390 and negative for 10.Of those not using steroids,the test is positive for 10 and negative for 190.What is the estimated probability of a false negative result (the probability that an athlete using steroids will test negative)?
A)0.975
B)0.05
C)0.95
D)0.025

Question

Quizplus · Accepted Answer

The probability of a false negative result is calculated by dividing the number of false negatives by the total number of actual steroid users. There are 10 false negatives out of 400 steroid users, so the probability is 10/400 = 0.025.

Solve the Problem. -A Drug Company Is Running Trials on a New Test