Question

You just received a grant to study the motivation effects of pay level on employee performance....

You just received a grant to study the motivation effects of pay level on employee performance. Suppose you examine job performance scores for 630 employees, where a high score indicates good work performance. The results of your study determine the average performance score is 86, with a standard deviation of 11 points. For questions 4 – 7, assuming a normal distribution, determine the percent and number of employees who:

a. scored above 93 points on their job performance

b. scored between 77 and 81 points on their job performance .

c. scored less than 94 points on their job performance

d. scored about 86 points on their job performance

Math   Statistics-And-Probability   
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