Determining z values, Find out z values for 29 and 34

Determining z values

Reference no: EM1313601

Q1) Accounting department at Weston material, Inc, national manufacturer of unattached garages, reports that it acquires 2 construction workers mean of 32 hours and standard deviation of 2 hours to erect the red bam model. Suppose assemble times follow normal distribution.

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

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

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

d) Of the garages, 5% take how many hours or more to erect?

Reference no: EM1313601

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