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A national manufacturer of unattached garages discovered that the distribution of the lengths of time it takes two construction workers to erect the Red Barn model is normally distributed with a mean of 36 hours and a standard deviation of 5 hours. What percent of the garages take between 36 and 40 hours to erect?

A. 3.94%

B. 21.19%

C. 78.81%

D. 28.81%

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91012441

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