The MoCranger Mortgage Company is imerested in monitoring the performance of the mortgage process. Fitioen samples of Eve completed mortgsgo transactiona each woro taken during a period when the process was belibved to be in control, The times to complete the transactions were measuced: The MoGrangec Mortgage Company made some changes to the process and undertook a procoes clpabily study The following data were obtained for is samples of size 5 : Alased on the iaviau observations, management estimated the process standard deviation to be 3.83 (deys) for use in the process capabaity analyis. The lower and upper spect caton limits in itwa) for the merigasi process times were 4 and 20. a. Calculate the process capebility index and the prosess capablity ratio values The process capability index Cpk= (Enter your response rounded to the decimal placess)