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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 148 subjects with positive test results there are 22 false positive results. Among 157 negative results, there are 4 false negative results. Complete parts (a) through (c)

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.)

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orchestra answered 2 years ago
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