Probability density of the net weight in ounces

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The probability density of the net weight in ounces of a packaged compound is f(x)=2.0 for 19.75<x<20.25 ounces and f(x)=0 for x elsewhere

(a) determined the probability that a package weight is less than 20 ounces

(b) suppose that the packaging specifications required that the weight be between 19.9 and 20.1 ounces. what is the probability that a randomly selected package will have a weight within these specifications?

(c) determine the mean and variance.

Reference no: EM13100302

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