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In: Statistics and Probability

Assume the average age of an MBA student is 30.7 years old with a standard deviation...

Assume the average age of an MBA student is 30.7 years old with a standard deviation of 2.2 years.

​a) Determine the coefficient of variation.

​b) Calculate the​ z-score for an MBA student who is 26 years old.

​c) Using the empirical​ rule, determine the range of ages that will include 95​% of the students around the mean.

​d) Using​ Chebyshev's Theorem, determine the range of ages that will include at least 94​% of the students around the mean.

​e) Using​ Chebyshev's Theorem, determine the range of ages that will include at least 80​% of the students around the mean.

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