Question

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 74 and standard deviation 8.4

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 exceeded 80?

b. The testing service reported to a particular employer that one of its job​ candidate's scores fell at the 95th percentile of the distribution​ (i.e., approximately 95​% of the scores were lower than the​ candidate's, and only 5% were​ higher). What was the​ candidate's score?

a. Approximately________% of the test scores during the past year exceeded 80.

​(Round to one decimal place as​ needed.)

b. The​ candidate's score was__________. ​(Round to the nearest whole number as​ needed.)

Answer 1