please answer all three!

QUESTION 32 Common cause variation in process control charts exists because of which of the following: a. Process inputs, like material, tooling, temperature, etc., vary slightly all the time, which means not all process outputs are exactly the same b. Certain factors, like new employees on the learning curve, come into play that cause the same error over and over c. Common cause variation is not common at all. It shows the process is out of control d. When investigating a problem, the pareto chart will show the most common cause that impacts the process chart variation QUESTION 33 A key element of a firm's goal to improve performance by engaging employees to understand and own their process includes which of the following considerations? a. Managing demand profiles of customers b. Defining the internal and external customers of each employee c. Analyzing supplier capabilities d. Reviewing social media about the company QUESTION 34 The point where costs transition from economies of scale to diseconomies of scale: a. is more likely to occur exclusively in a service operation b. is more likely to occur exclusively in a manufacturing operation c. is only likely to occur when capacity utilization is low d. is at the point where average unit costs are at their lowest