The Fred and Barney Cookie Co. has decided to implementstatistical quality contr

The Fred and Barney Cookie Co. has decided to implementstatistical quality control to its chocolate chip cookie bakingline. The company is concerned that it has been providing too manyburned cookies. Two times per day over the last 5 days the companyhas taken samples of 250 cookies and counted the number of burnedcookies in each sample. A burned cookie is considered a defectivecookie. The results are shown below. The company wants to use apercent defective control chart using 3 control limits. Assumethat the data provided is sufficient for preparing the appropriatecontrol charts.