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. Among 150 negative​ results, there are 5 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 enter your response here. b. How many subjects did not use​ marijuana? A total of enter your response here 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 enter your response here. ​(Do not round until the final answer. Then round to three decimal places as​ needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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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. Among
150
negative​ results, there are
5
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
enter your response here.
b. How many subjects did not use​ marijuana?
 
A total of
enter your response here
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
enter your response here.
​(Do not round until the final answer. Then round to three decimal places as​ needed.)
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