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QUESTION 4 (7 marks) 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 75 and standard deviation 7.5. a. A particular employer requires job candidates to score at least 80 on the dexterity test. Approximately what percentage of the test scores during the past year exceed 80? 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. What was the candidate's score?

          QUESTION 4 (7 marks)
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 75 and standard deviation 7.5.
a. A particular employer requires job candidates to score at least 80 on the dexterity test. Approximately what percentage of the test scores during the past year exceed 80?
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. What was the candidate's score?

QUESTION 4 (7 marks)
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 75 and standard deviation 7.5.
a. A particular employer requires job candidates to score at least 80 on the dexterity test. Approximately what percentage of the test scores during the past year exceed 80?
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. What was the candidate's score?

Added by Vicente F.

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