Answered: a. How many subjects were included in…

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Description: help with these 3 questions please... Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 146 subjects with positive test results, there are 29 false positive results. Among 160 negat

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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help with these 3 questions please...

Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 146 subjects with positive test results, there are 29 false positive results. Among 160 negative results, there are 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 _____ .

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

nothing.

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

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