Question: For 100 consecutive days, a process engineer has measured the weight and examined the surface for imperfections of a component after it has been coated

For 100 consecutive days, a process engineer has measured the weight and examined the surface for imperfections of a component after it has been coated with special paint. Each day, she takes a sample of 30 components. Across all sampled parts, the average weight is 113 grams, the standard deviation of weight is 0.2 grams, and there are in total 76 parts with surface imperfections.

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