00 vodafone AU 6:47 PM 36%) Done ENG8103 S2 2017 Assignment 1.pdf Question2 70 marks total) Consider the cods of tawo project items given in Table 21, with identical discrele prohability dstibutions. They are to be linearty added. Tablk 2.1 Cost (SM Cost(SM Asaime independence between the two ilems I. Calculade the poinls of the combined probuhility distribution of lotal cast of the two 2Calculale mean (espected vlluc) and varianoe of the consquence of this lolal cost. . Plot the froquency distribution and cumuladive prohabilaty dstribution of the real (15 marks) Asunze cumplete 1000%> pusitivedependence between the costs. I. Calclate the poins o the combined probohility disdribution of total cool of the two 2. Calculate mean (espected value) and variance of the consequence of this total cost . Plot the froueney distribution and cumolative prohability dixtribution of the roul (15 mrks) Assume a modified probubility distribution as shown in Tabic 2.2 in which the cost of the sccond item is conditionally dependeni on the fist L. Calculate the points of the combined probability distribution of total cost of the two lema