Personnel tests are designed to test a job applicant's cognitive and/or physical abilities. A particular dexterity test is administered nationwide by a private testing service. It is known that for all tests administered last year, the distribution of scores was approximately normal with mean73and standard deviation7.7.a. A particular employer requires job candidates to score at least77on the dexterity test. Approximately what percentage of the test scores during the past year exceeded77?b. The testing service reported to a particular employer that one of its job candidate's scores fell at the98thpercentile of the distribution (i.e., approximately98%of the scores were lower than the candidate's, and only2%were higher). What was the candidate's score?a. Approximatelynothing%of the test scores during the past year exceeded77.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Personnel tests are designed to test a job applicant's cognitive and/or physical abilities. A particular dexterity test is administered nationwide by a private testing service. It is known that for all tests administered last year, the distribution of scores was approximately normal with mean

and standard deviation

7.7.

a. A particular employer requires job candidates to score at least

on the dexterity test. Approximately what percentage of the test scores during the past year exceeded

77?

b. The testing service reported to a particular employer that one of its job candidate's scores fell at the

98th

percentile of the distribution (i.e., approximately

98%

of the scores were lower than the candidate's, and only

were higher). What was the candidate's score?

a. Approximately