The director of a large employment agency wishes to study various characteristics of its job applicants. A
Question:
The director of a large employment agency wishes to study various characteristics of its job applicants. A sample of 150 applicants has been selected, and the following information is provided as to whether the applicants have had their current jobs for at least 5 years and whether or not the applicants are college graduates.
College Graduate | ||
Held Current Job at Least 5 Years | Yes | No |
Yes | 140 | 450 |
No | 60 | 250 |
a. What is the probability that a randomly selected applicant is a college graduate given that s/he held the job less than 5 years?
b. What is the probability that a randomly selected applicant held the current job at least 5 years given that s/he is a college graduate?
c. Are the events “holding current job at least 5 years” and “being a college graduate” independent? Are they mutually exclusive? Please justify your answer.
Basic Business Statistics Concepts And Applications
ISBN: 9780132168380
12th Edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel