SOLUTION: An industrial process that makes 3-foot sections of plastic pipe produces pipe with an average inside diameter of 1 inch and a SD of 0.05 inch. If you randomly select one piece of

Question 172165: An industrial process that makes 3-foot sections of plastic pipe produces pipe with an average inside diameter of 1 inch and a SD of 0.05 inch. If you randomly select one piece of pipe what is the probability that its inside diameter will exceed 1.02 inch assuming the population is normal.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
An industrial process that makes 3-foot sections of plastic pipe produces pipe with an average inside diameter of 1 inch and a SD of 0.05 inch. If you randomly select one piece of pipe what is the probability that its inside diameter will exceed 1.02 inch assuming the population is normal.
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z(1.02) = (1.02-1)/0.05 = 0.4
So P(x>1.02) = P(z>0.4)
Use your z-chart to determin the probability that z>0.4
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Ans: 0.3446
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Cheers,
Stan H.
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