a. Finish the probability table
b. DefineY =−2X+6.CalculateE(X),Std(X),E(Y),Std(Y),Cov(X,Y).
(Hint: For the covariance, consider Var(X+Y))
X |
1 |
2 |
3 |
4 |
5 |
P(X) |
0.2 |
0.3 |
0.1 |
0.3 |
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