Mathematics, 04.03.2020 01:38 tonio638
The probability density function of the weight of packages delivered by a post office is f(x) = 70/69x^2 for 1 < x < 70 pounds.
a) Determine the mean and variance of weight. Round your answers to two decimal places (e. g. 98.76).
Mean = pounds
Variance = pounds2
b) If the shipping cost is $2.50 per pound, what is the average shipping cost of a package? Round your answer to two decimal places (e. g. 98.76).
pounds
c) Determine the probability that the weight of a package exceeds 59 pounds. Round your answer to four decimal places (e. g. 98.7654).
Answers: 2
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The probability density function of the weight of packages delivered by a post office is f(x) = 70/6...
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