For 100 consecutive days, a process engineer has measured the weight and examined the surface for imperfections of a com
Posted: Wed Jul 06, 2022 12:25 pm
For 100 consecutive days, a process engineer has measured theweight and examined the surface for imperfections of a componentafter it has been coated with a special paint. Each day, she takesa sample of 30 components. Across all sampled parts, the averageweight is 113 grams, the standard deviation of weight is 0.2 gram,and there are in total 76 parts with surface imperfections.