# Question: a If the probability density of X is given by

(a) If the probability density of X is given by

Find E(X), E(X2), and E(X3).

(b) Use the results of part (a) to determine E( X3 + 2X2 - 3X + 1).

Find E(X), E(X2), and E(X3).

(b) Use the results of part (a) to determine E( X3 + 2X2 - 3X + 1).

## Answer to relevant Questions

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