6 lll B/s19711:03 *65Untitled docu...Problem.1:Sea waves. The pmf of the observed number of days per month of high-amplitudewaves acting on a sea pier is given below.X =23 45627px(x) =0.38 0.22 0.18 0.13 0.09 0.06 0.03 0.01Determine the expected value and variance of X.Problem. 2:Sea pier construction. With reference to the data given in Problem1, a contractoris assigned to work on an extension to the sea pier. The contractor finds that theprofits Y of the job are directly decreased by the number of days per month Xof high-amplitude waves acting on the sea front. It is estimated that Y = 10,000(10 – X).Determine the pmf of Y and the mean and variance of Y.Problem. 3:Contract analysis. A contractor's financial outlay X and labor force Y are randomvariables with bivariate pdf given by:fx,y(x, y) = kxry,for 10.000

Problem.1: Sea waves. The pmf of the observed number of days per month of high-amplitude waves acting on a sea pier is given below. X = 0 1 2 3 px(x) = 0.38 0.22 0.18 0.13 0.09 0.06 0.03 0.01 4 5 6 27 Determine the expected value and variance of X.

Problem.1: Sea waves. The pmf of the observed number of days per month of high-amplitude waves acting on a sea pier is given below. X = 0 1 2 3 px(x) = 0.38 0.22 0.18 0.13 0.09 0.06 0.03 0.01 4 5 6 27 Determine the expected value and variance of X.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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