QUESTION 2. [7 marks] Wayne's Widgets is a popular manufacturer of widgets. Unfortunately, the company has had 10% of all its widgets returned under warranty due to defects. Several quality control improvements were then made to the manufacturing process to help decrease the defect rate. A random sample of 250 widgets contained 19 widgets with defects. At the 5% significance level, is there sufficie evidence to indicate that the quality control improvements were successful in reducing the defect rate? Conduct an appropriate test using the p-value method. Comment on the validity of the testing procedur QUESTION 3. [6 marks] A personal trainer at a gym wants to be able to tell her clients how many ca