A Cell Phone Manufacturer Inspects the Video Display on Each

question 22

Multiple Choice

A cell phone manufacturer inspects the video display on each color phone to verify that the screen can display all colors with the brilliance their customers have come to expect. Each phone is turned on, run through a self-test procedure, and classified as either acceptable or unacceptable based on test performance. Based on historical data, the process engineer expects about 0.1 percent defective displays. How many phones should they sample to establish an average fraction defective for their statistical quality control initiative?

• A)5
• B)50
• C)500
• D)5000

---

Definitions:

Job Depth

The degree of control, autonomy, and decision-making ability an employee has in their role.

Task Variety

Refers to the degree of different activities and skills required in a job, influencing employee motivation and satisfaction.

Job Simplification

The method of decomposing a task into its most basic elements to enhance productivity and minimize intricacy.

Total Mechanization

The complete automation or use of machinery to perform all tasks in a process or system, eliminating the need for manual labor.