A Quality Control Manager at a Plant That Produces O-Rings

question 82

Multiple Choice

A quality control manager at a plant that produces o-rings is concerned about whether the
Diameter of the o-rings that are produced is conformable to the specification.She has calculated
That the average diameter of the o-rings is 4.2 centimeters.She also knows that approximately
95% of the o-rings have diameters fall between 3.2 and 5.2 centimeters and almost all of the o-
Rings have diameters between 2.7 and 5.7 centimeters.When modeling the diameters of the o-
Rings, which distribution should the scientists use?

• A) Uniform distribution
• B) Binomial distribution
• C) Normal distribution
• D) Exponential distribution

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