Question: 8. Type I error: Washers used in a certain application are supposed to have a thickness of 2 millimeters. A quality control engineer measures

8. Type I error: Washers used in a certain application are supposed to have a thickness of 2 millimeters. A quality control engineer measures the thicknesses for a sample of washers and tests Ho: = 2 versus H: # 2. a. If a Type I error is made, what conclusion will be drawn regarding the mean washer thickness? b. If a Type II error is made, what conclusion will be drawn regarding the mean washer thickness?

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