when the process was beleved to be in control, The times to complete the transactons were measured The MeGranger Mortgsge Company made some changes to the process and undertock a process capabily shidy. The folowing data were obtained for 15 sanplas of a Les 5 . liased on the indindue observasions, management eatimated the process standard deviston to be 4.54 (dine) for use in the process capabity analysis. The buer and upper apecticaton airits (in days) for the mongage process times were 4 and 20 . a. Colculate the process capabily index and the procoss capabily rabo vatues. The process capatility index Cpk * (Enter your resoonse rounded to three decinal places)