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The inside diameter of a randomly selected piston ring is a random variable with mean value 13 cm and standard deviation 0.08 cm. Suppose the

The inside diameter of a randomly selected piston ring is a random variable with mean value13cm and standard deviation0.08cm. Suppose the distribution of the diameter is normal. (Give answers accurate to 3 decimal places.)

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The inside diameter of a randomly selected piston ring is a random variable with mean value 13 cm and standard deviation 0.08 cm. Suppose the distribution of the diameter is normal. (Give answers accurate to 3 decimal places.) (a) Calculate P(12.99 S i S 13.01) when n = 15. (b) How likely is it that the sample mean diameter exceeds 13.0] when n = 25

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