Answered: Actually use drugs 11 Do not use drugs…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter1: Fundamental Concepts Of Algebra

Section1.1: Real Numbers

Problem 31E

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Question

All new interviewees at a company must submit to drug testing. Anyone who tests positive for illegal drugs is not hired and banned from applying again. However, sometimes prescription medications in the bloodstream are mistaken for illegal drugs. The table below summarizes the results for interviewees in 2019. You must show your work on your own paper to receive credit. Round all answers to the nearest tenth of a percent.

What percent of all interviewees for the company test negative?

What percent of people who test positive are actually drug users?

What percent of drug users test positive?

Actually use drugs
Do not use drugs Total
Test "positive"
Test "negative"
11
2
13
370
374
Total
15
372
387

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