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ll The heights of third graders are approximately normal with a mean of 130 cm and a standard deviation of 10 cm. Construct a 68%

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ll The heights of third graders are approximately normal with a mean of 130 cm and a standard deviation of 10 cm. Construct a 68% confidence interval using the empirical rule. 0 a. (100,110) 0) b. (90,120) 0 c. (120,130) 0 d. (110,130) Clear my choice

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