Question: Military aircraft bolts. Refer to exercise 12.14 (p.822). The data on lengths of bolts used in military aircraft are reproduced to the right.

Management has specified upper and lower specification limits of 37 cm and 35 cm, respectively.

a. Assuming the process is in control, construct a capability analysis diagram for the process.

b. Find the percentage of bolts that fall outside the specification limits.

c. Find the capability index, Cp.

d. Is the process capable? Explain