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1. Suppose the joint probability distribution of X and Y is as follows: 1. Suppose the joint probability distribution of X and Y is as

1. Suppose the joint probability distribution of X and Y is as follows:

1. Suppose the joint probability distribution of X and Y is as follows: Excellent(A1) Good(A2) Poor(A3)=0.3 Chinese(B1) 0.078 0.195 0.117 0.39 Malay(B2) 0.09 0.225 0.135 0.45 Indian(B3)=0.16 0.032 0.08 0.048(A3*B3) 0.16 0.2 0.5 0.3

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