The MoGranger Morigage Company is interested in monitoring the performance of the mortgage process. Fineen samples of five completed norfgage stanisactions aach wara taken durng a perico when the process was bolieved to be in control. The times to complete the transactions were measured. The MoGranger Mortgage Company made some changes to the process and undertook a process capabllyy study. The foilowing data were obtained for 15 saripies of size 6. Baced on the individual observations, manegement estimated the process standard deviation to be 3.09 (days) for use in the peocess capabilify andlysh. The loser and upper spacficiton imits (in days) for mortgage procoss times were 5 and 19. a. Calculate the procoss capability index and the process capablify ratio values. The process capabily index Cpk= (Enter your response rounded to three decima ploces.)