In the Ministry of Roads and Highways, contracts for two constructions jobs are randomly assigned to one or more of three firms namely, A, B and C. Suppose that X is the number of contracts assigned to firm A and Y is the mumber of contracts assigned to firm B. It is assume that cach firm can receive 0, 1, or 2 contracts. Compute the expected value of XY, ie. E(XY).

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.