The data file Trucks contains data on a sample of 200 trucks that were weighed on two
Question:
a. Create a new variable that has a value = 1 when the WIM gross weight 7 POE gross weight, and 0 otherwise.
b. Determine the sample proportion of times the WIM gross weight exceeds POE gross weight.
c. Based on this sample, what is the probability of finding a proportion less than that found in part b? For this calculation, assume the WIM maker’s assertion is correct.
d. Based on the probability found in part c, what should the WIM maker conclude? Is his 60% figure reasonable?
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Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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