solve the multiple choices, giving an explanation for the material of Production and Operations Management:

1) Which from the following steps are included within a systematic approach to process analysis?

A) Integration

B) order fulfillment

C) define scope

D) reengineering

2) When considering the plan-do-study-act cycle for problem solving, instructing other employees in the use of the new process occurs in the ____ step

A) Study

B) Do

C) Act

D) plan

3) __________ of variation are the purely random, unidentifiable sources of variation that are unavoidable with the current process

A) random causes

B) common causes

C) Instantons causes

D) assignable causes