The thickness of a conductive coating in micrometers has a density function of 600x² for 100 µm

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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8. The thickness of a conductive coating in micrometers has a density function of 600x²
for 100 um <x< 120 µm.
a. Determine the mean and variance of the coating thickness.
b. If the coating costs Php25.00 per micrometer of thickness on each part, what is
the average cost of the coating per part?
Transcribed Image Text:8. The thickness of a conductive coating in micrometers has a density function of 600x² for 100 um <x< 120 µm. a. Determine the mean and variance of the coating thickness. b. If the coating costs Php25.00 per micrometer of thickness on each part, what is the average cost of the coating per part?
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