Historically, the Average Proportion of Defective Bars Has Been 0

question 150

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. What is the value of LCL?

• A) less than or equal to 0.01
• B) greater than 0.01 but less than or equal to 0.02
• C) greater than 0.02 but less than or equal to 0.03
• D) greater than 0.03

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