Using Appendix II, find Q3, in Problem 7.21. Washers are produced so that their inside diameter is..

Using Appendix II, find Q3, in Problem 7.21.

Washers are produced so that their inside diameter is normally distributed with mean 0.500 inches (in) and standard deviation equal to 0.005 in. The washers are considered defective if their inside diameter is less than 0.490 in or greater than 0.510 in. Find the percent defective using Appendix II and EXCEL.