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The accounting department at Weston Materials, Inc., national manufacturer of unattached garages, reports that it takes 2 construction workers the mean of 32 hours and standard deviation of the 2 hours to erect Red Barn model. Assume the assembly times follow normal distribution.

a. Find out the values for 29 and 34 hours. Find out the percent of garages take between 32 hours and 34 hours to erect?

b. Find out the percent of garages take between 29 hours and 34 hours to erect?

c. Find out the percent of garages take 28.7 hours or less to erect?

d. Of garages, 5 percent take how many hours or more to erect?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920474

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