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Can you help me with this question (CO 3) Consider the following table: Defects in batch Probability 0 0.21 0.28 2 0.30 3 0.09 4

Can you help me with this question

(CO 3) Consider the following table: Defects in batch Probability 0 0.21 0.28 2 0.30 3 0.09 4 0.08 5 0.04 Find the variance of this variable. O 1.67 O 1.99 O 1.33 O 1.78

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