Statistics

This quiz: 7 point(s) possible = Quiz: Exam 3 Chapter 4

Quiz: Exam 3 Chapter 4 < Question 6 of 7 > This quiz 7 point(s) possible This question: I point(s) possible Submit quiz Use the following results from a test for marijuana use, which is provided by a certain drug testing company, Among 142 subjects with positive test results, there are 25 false positive results. Among 156 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 C. (Do not round until the final answer. Then round to three decimal places as needed.)