A sticky scale brings Webster's attention to whether caulking tubes are being properly capped. If a significant proportion of the tubes aren't being sealed, Webster is placing their customers in a messy situation. Tubes are packaged in large boxes of 144 . Several boxes are inspected, and the following numbers of leaking tubes are found: Application 2 Calculate the p-chart three-sigma control limits to assess whether the capping process is in statistical control. p=TotalnumberoftubesTotalnumberofleakytubes=p=np(1p)=UCLp=p+zp=LCLp=pzp= The process is as the p values for the samples fall the control limits