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courses/72964/quizzes/246755/take D Question 4 2 pts (CO 3) Consider the following table: Defects in batch Probability 0 0.30 1 0.28 2 0.21 3 0.09 4

courses/72964/quizzes/246755/take D Question 4 2 pts (CO 3) Consider the following table: Defects in batch Probability 0 0.30 1 0.28 2 0.21 3 0.09 4 0.08 5 0.04 Find the standard deviation of this variable. O 1.49 O 1.99 O 0.67 1.41

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