The thickness of a conductive coating in micrometers has a density function of 600x-2 for 100 m

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The thickness of a conductive coating in micrometers has a density function of 600x-2 for 100 μm < x <120 μm.
(a) Determine the mean and variance of the coating thickness.
(b) If the coating costs $0.50 per micrometer of thickness on each part, what is the average cost of the coating per part?
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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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