APFIVE Law of Large Numbers for Proportions
A manufacturing process produces defective parts with probability 0.03. Quality control inspects 500 randomly selected parts daily. After 30 days of inspection, which statement best describes what we expect about the proportion of defective parts found?
A
It will decrease over time as the process improves
B
It will tend to stabilize around 0.03
C
It will fluctuate randomly with no central tendency
D
It will be exactly 0.03 on each day
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