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# Job Interviews In a Harris poll of 514 human resource professionals, 45.9% said that

ISBN: 9780321836960 18

## Solution for problem 23 Chapter 7-2

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition

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Problem 23

Job Interviews In a Harris poll of 514 human resource professionals, 45.9% said that body piercings and tattoos were big grooming red flags. a. Among the 514 human resource professionals who were surveyed, how many of them said that body piercings and tattoos were big grooming red flags? b. Construct a 99% confidence interval estimate of the proportion of all human resource professionals believing that body piercings and tattoos are big grooming red flags. c. Repeat part (b) using a confidence level of 80%. d. Compare the confidence intervals from parts (b) and (c) and identify the interval that is wider. Why is it wider?

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##### ISBN: 9780321836960

The full step-by-step solution to problem: 23 from chapter: 7-2 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. This full solution covers the following key subjects: . This expansive textbook survival guide covers 121 chapters, and 3629 solutions. The answer to “Job Interviews In a Harris poll of 514 human resource professionals, 45.9% said that body piercings and tattoos were big grooming red flags. a. Among the 514 human resource professionals who were surveyed, how many of them said that body piercings and tattoos were big grooming red flags? b. Construct a 99% confidence interval estimate of the proportion of all human resource professionals believing that body piercings and tattoos are big grooming red flags. c. Repeat part (b) using a confidence level of 80%. d. Compare the confidence intervals from parts (b) and (c) and identify the interval that is wider. Why is it wider?” is broken down into a number of easy to follow steps, and 105 words. Elementary Statistics was written by and is associated to the ISBN: 9780321836960. Since the solution to 23 from 7-2 chapter was answered, more than 230 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12.

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