The Department of Transportation (DOT) monitors sealed bids for new road construction. For new access roads in

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The Department of Transportation (DOT) monitors sealed bids for new road construction. For new access roads in a certain state, let X =  low bid (thousands of dollars) and let Y = DOT estimate of fair cost of building the road (thousands of dollars). The joint probability density of X and Y is


a. Find f(y), the marginal density function for Y. Do you recognize this distribution?

b. What is the mean DOT estimate, E(Y)?

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Statistics For Engineering And The Sciences

ISBN: 9781498728850

6th Edition

Authors: William M. Mendenhall, Terry L. Sincich

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