Question

The owner of Touchdown Sports Bar wants to develop a time standard for the task of mixing a specialty cocktail. In a preliminary study, he observed one of his bartenders perform this task seven times with an average of 90 seconds and a standard deviation of five seconds.

What is the normal time for this task if the bartender worked at a 20 percent faster pace than is average?

A. 75 seconds

B. 90 seconds

C. 108 seconds

D. 110 seconds

E. 112.5 seconds

Answer

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