Question: 4.1. Prove that E[(-7)] = E(2) - using the following steps: a. Show the E[(-)] = E(F2-27 +7) b. Show that the expression in part

4.1. Prove that E[(-7)] = E(2) - using the following steps:

a. Show the E[(-)] = E(F2-27 +7)

b. Show that the expression in part a is equal to EG)-2E(FF) + F

c. Show that the expression in part b is equal to E()-27 + 72 Then add.

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