SOLUTION: The diameters of steel disks produced in a plant are normally distributed with a mean of 2.5 cm and standard deviation of .02 cm. What is the probability that a disk picked at rand
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Question 383837: The diameters of steel disks produced in a plant are normally distributed with a mean of 2.5 cm and standard deviation of .02 cm. What is the probability that a disk picked at random has a diameter greater than 2.54 cm.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
. Hence P(D > 2.54) = P(Z > 2) = 0.0228.
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