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You are given the following information. P i X i P i (X i ) (X i -X) (X i -X) 2 P i (X

You are given the following information.

Pi

Xi

Pi(Xi)

(Xi-X)

(Xi-X)2

Pi(Xi-X)2

0.2

60

0.5

40

0.1

100

0.2

80

(15 pts) Fill in the table (including totals).

(15 pts) Calculate E(X), aka X.

(15 pts) Calculate Var(X) and std. Dev.

(5 pts) Comment on the results.

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