Additional Algo $9-1$ Process Capability Index

A cutting process has an upper specification of $1\mathrm{.}685$ feet and a lower specification of $1\mathrm{.}555$ feet. A satmple of parts had a mean of $1\mathrm{.}62$ feet with a standard deviaiton of $0\mathrm{.}032$ feet.

What is the process capability index for this system?

Note: Round your answer to $4$ decimal places.

Answer is complete but not entirely correct.

Capability index $0\mathrm{.}1083ox$