Which of the following should occur when assessing a safety and health program’s effectiveness?

a. enforce safe work practices.

b. interview employees at all levels.

c. maintain physical protections in work areas.

d. reinforce employee training through performance feedback

Q3. loral corporation manufactures parts for an aircraft company. it uses a computerized numerical controlled (cnc) machining center to produce a specific part that has a design (nominal) target of 1.275 inches with tolerances of ± 0.020 inch. the cnc process that manufactures these parts has a mean of 1.285 inches and a standard deviation of 0.005 inch. compute the process capability ratio and process capability index, and comment on the overall capability of the process to meet the design specifications.