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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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