4.3.19 2 Question Help
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The table below displays results from experiments with polygraph instruments. Find the positive predictive value for the test. That is, find the probability that the subject
lied, given that the test yields a positive result,
Did the Subject Actually Lio?
No (Did Not Lie) Yes (Lied)
13
45
30
9
Positive test results
Negative test results

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?