Studies on a Machine That Molds Plastic Water Pipe Indicate

question 76

Multiple Choice

Studies on a machine that molds plastic water pipe indicate that when it is injecting 1-inch-diameter pipe, the process standard deviation is 0.05 inches. The 1-inch pipe has a specification of 1 inch plus or minus 0.10 inch. What is the process capability index (Cpk) if the long-run process mean is 1 inch?

• A) 0.50
• B) 0.67
• C) 1.00
• D) 2.00
• E) 2.20

---

Definitions:

Obsessive-Compulsive Disorder

A mental disorder characterized by recurrent, intrusive thoughts (obsessions) and repetitive behaviors (compulsions) that the individual feels driven to perform.

Severe Anxiety

An intense, overwhelming form of anxiety that can impair day-to-day functioning and quality of life.

Somatic Symptom Disorders

A group of psychological disorders in which the person experiences physical symptoms that are not fully explained by a general medical condition, leading to significant distress and impairment.

Psychosomatic

Pertaining to physical symptoms that are caused or significantly influenced by emotional factors.