Use the following results from a test for marijuana ​ use, which is provided by a certain drug testing company. Among 143 143 subjects with positive test ​ results, there are 26 26 false positive...





Use the following results from a test for marijuana

use,

which is provided by a certain drug testing company. Among



143

143



subjects with positive test

results,

there are



26

26



false positive results. Among



154

154



negative
results,
there are



3

3



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






Jun 01, 2022
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