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  • one year ago

Suppose that the number of sick days an employee at XYZ Company takes per year is normally distributed with mean 9 days and standard deviation of 2.5 days.

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  1. anonymous
    • one year ago
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    a) What proportion of the employees are out fewer than 7.5 days? b) What proportion of the employees are out more than 8 days? c) What proportion of the employees are out between 8 days and 13 days? d) The CEO of the company decides to award the employees with the fewest absences by giving a financial award to the employees with the lowest 10% of absences. What is the largest number of absences that an employee could have and still get a monetary award? e) On the other hand, the employees with the highest 10% of absences will be required to visit the company doctor for a physical. What is the lowest number of absences that an employee must have and still be required to see the doctor? f) Suppose that a sample of 16 employees is selected at random from this company. What is the chance that the average of the 16 employees is above 8.75? Below 9.5?

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