Mathematics, 13.07.2019 01:00 pandaho
The thickness of a conductive coating in micrometers has a density function of 500x-2 for 113 μm < x < 146 μm and zero for x elsewhere. (a) determine the mean and (b) variance of the coating thickness. round your answers to one decimal place (e. g. 98.7). (c) if the coating costs 0.60 per micrometer of thickness on each part, what is the average cost of the coating per part? round your answer to two decimal places (e. g. 98.76).
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