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Contracts for two construction jobs are randomly assigned to one or more of three firms A,...

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Basic Math

  1. Contracts for two construction jobs are randomly assigned to oneor more of three firms A, B, and C. Let Y1 denote the number ofcontracts assigned to firm A and Y2 the number of contractsassigned to firm B. Recall that each firm can receive 0, 1 or 2contracts.

  2. (b) Find the marginal probability of Y1 and Y2.

  3. (c) Are Y1 and Y2 independent? Why? (d) Find E(Y1 ? Y2).

  4. (e) Find Cov(Y1, Y2)

Answer & Explanation Solved by verified expert
3.9 Ratings (570 Votes)
bAll nine possible assignments of construction jobs to the threefirms AA AB AC BA BB BC CA CB CC The first symbolsignifies the selection for the first job    See Answer
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