Historically, the Average Proportion of Defective Bars Has Been 0 $$z = 3$$

question 88

Multiple Choice

Historically, the average proportion of defective bars has been 0.015. Samples will be of 100 bars each. Construct a p-chart using $$z = 3$$ . Suppose a sample had 0.054 defectives. What would be the best action to take in this scenario?

• A) Nothing; it appears to be random variation.
• B) Look for assignable causes.
• C) Change z to 2 and take another sample.
• D) Change z to 4 and continue sampling.

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Definitions:

Swing

A type of seat suspended from a structure or mechanism, designed for an individual to sit and move back and forth, or a musical genre characterized by a strong rhythm suitable for dancing.

Baseballs

Hard balls used in the game of baseball, made of cork, rubber, and wrapped in leather, designed for hitting, pitching, and catching in the sport.

Hitting

Striking someone or something with force, often using hands, tools, or weapons, and can refer to physical actions in various sports and contexts.

Culture

The social behavior, norms, knowledge, and artifacts of a group of people, passed from one generation to another through communication and imitation.