Managing for Quality and Performance Excellence 9th Edition by James Evans,William Lindsay

Exercise 9

The quality manager at Newvis Pharmaceutical Company is certifying a new process that must produce 90 percent (or better) good product before certification can be completed. A sample of 49 containers from the process line are tested, and 87 percent are found to be good. Formulate the appropriate hypotheses and test them using an ? = 0.05 significance level. Explain your results.