Question: The accounting dept of Weston Materials Inc a national manufacturer of unattached garages reports that it takes two construction workers

a mean of 32 hrs and a standard deviation of 2hrs to erect the Red Barn model, Assume the assembly times follow the normal distribution.

a. Determine the z values for 29 and 34 hrs ? What % of the garages between take 32 and 34 hrs to erect?

b. What % of garages take between 29hrs and 34 hrs to erect?

c. What % of garages take 28.7 hr or less to erect?

d. Of the garages 5% how many hr or more to erect ?

a. Determine the z values for 29 and 34 hours. What percent of the garages take between 32 hours and 34 hours to erect?

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

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

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