Consider the following data: x 6 7 8 P(X = x) 0.1 0.3 0.1 ten 2 of 5. Find the variance Round your answer to one decimal place

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A:

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A: A. P(222.9 < X < 250.5) = 0.1179 B. P(222.9 < M < 250.5) = 0.7149 Explanation:A normal…

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A: DETAILED SOLUTION IS PROVIDED BELOWExplanation:

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