Interpret the z-score of a 20 year-old employee

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The population of employees of a national fast-food chain has a mean age of 19.1 years with a standard deviation of 1.6 years.

(a) Determine and interpret the z-score of a 20 year-old employee.

(b) Determine and interpret the z-score of a 17 year-old employee.

(c) Would a 22 year-old employee be considered an outlier age-wise? Why or why not?

(d) Would a 25 year-old employee be considered an outlier age-wise? Why or why not?

(e) Apply Chebyshev's Theorem to make two statements about the ages of the employees of the chain.

Reference no: EM132445685

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