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 28 false positive results....

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

subjects with positive test​ results, there are

false positive results. Among

negative​ results, there are

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

b. How many subjects did not use​ marijuana?

A total of

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

​(Do not round until the final answer. Then round to three decimal places as​ needed.)