An article included data from a survey of 2587 hiring managers and human resource professionals.The article noted that many employees are using social networks to screen job applicants and that this practice is becoming more common. Of the 2587 people who participated in the survey, 1300 indicated that they use social networking sites ( such as Facebook, MySpace, and LinkedIn) to research job applicants. For the purposes of this exercise, assume that the sample is representative of hiring managers and human resource professionals.  a. assuming that this sample is random/ representative of the population, what other assumptions need to be true before we can create a confidence interval? b. construct a 99% confidence interval for the proportion of hiring managers and human rsource professionals who use social networking sites to research job applicants ( round your answer to three decimal places )  c. draw a conclusion about the 99% confidence interval for p, the proportion of all hiring managers and human resource professionals who use social networking sites to research job applicants

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
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An article included data from a survey of 2587 hiring managers and human resource professionals.The article noted that many employees are using social networks to screen job applicants and that this practice is becoming more common. Of the 2587 people who participated in the survey, 1300 indicated that they use social networking sites ( such as Facebook, MySpace, and LinkedIn) to research job applicants. For the purposes of this exercise, assume that the sample is representative of hiring managers and human resource professionals. 

a. assuming that this sample is random/ representative of the population, what other assumptions need to be true before we can create a confidence interval?

b. construct a 99% confidence interval for the proportion of hiring managers and human rsource professionals who use social networking sites to research job applicants ( round your answer to three decimal places ) 

c. draw a conclusion about the 99% confidence interval for p, the proportion of all hiring managers and human resource professionals who use social networking sites to research job applicants

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