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 72 and standard deviation 8.5. a. A particular employer requires job candidates to score at least 76 on the dexterity test. Approximately what percentage of the test scores during the past year exceeded 76? 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 2% were higher). What was the candidate's score? a.
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 72 and standard deviation 8.5. a. A particular employer requires job candidates to score at least 76 on the dexterity test. Approximately what percentage of the test scores during the past year exceeded 76? 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 2% were higher). What was the candidate's score? a.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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
72
and standard deviation
8.5.
a. A particular employer requires job candidates to score at least
76
on the dexterity test. Approximately what percentage of the test scores during the past year exceeded
76?
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
2%
were higher). What was the candidate's score?a.
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