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Use the following results from a test for marijuana​ use, which is provided by a certain...

Use the following results from a test for marijuana​ use, which is provided by a certain drug testing company. Among 150 subjects with positive test​ results, there are 22 false positive results. Among 160 negative​ results, there are 2 false negative results. Complete parts​ (a) through​ (c). (Hint: Construct a​ table.)

a. How many subjects were included in the​ study? The total number of subjects in the study was nothing .

b. How many subjects did not use​ marijuana? A total of nothing subjects did not use marijuana.

c. What is the probability that a randomly selected subject did not use​ marijuana?

The probability that a randomly selected subject did not use marijuana is nothing .

Math   Statistics-And-Probability   
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