Some companies “grade on a bell curve” to compare the performance of their managers and professional workers. This forces the use of some low performance ratings so that not all workers are listed as “above average.” Ford Motor Company’s “performance management process” for this year assigned 10% A grades, 80% B grades, and 10% C grades to the company’s managers. Suppose that Ford’s performance scores really are Normally distributed. This year, managers with scores less than 25 received C’s and those with scores above 475 received A’s. What are the mean and standard deviation of the scores?

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Status NEW Posted 01 Jun 2017 10:06 AM My Price 6.00

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