An activity has an optimistic time estimate of 12 days, a most likely estimate of 16 days, and a pessimistic estimate of 22 days. What is the expected standard deviation of the activity?

A) Between 1 and 2 days
B) Between 2 and 3 days
C) Between 3 and 4 days
D) Between 4 and 5 days


A

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Indicate whether the statement is true or false

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Martha and John work in a factory. The factory pays each worker $5 per hour plus $.25 per

piece of work completed. John is always paid more money than Martha, because John can work faster than Martha can. This situation is: A) Legal, because of a defined merit system. B) Legal, because the pay is based on a difference in quantity or quality of work. C) Legal, because of a seniority system. D) Legal, because the pay is based on "some factor other than sex." E) Illegal, because of pay discrimination.

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Indicate whether the statement is true or false

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