Diameter of a randomly selected piston ring, Basic Statistics

Diameter of a randomly selected piston ring

The inside diameter of a randomly selected piston ring is a random variable with mean value 12 cm and standard deviation 0.05 cm. Suppose the distribution of the diameter is normal. (Round your answers to four decimal places.)

(a) Calculate

P(11.99 %u2264 X %u2264 12.01)

when n = 16.

P(11.99 %u2264 X %u2264 12.01)

(b) How likely is it that the sample mean diameter exceeds 12.01 when n = 25?

P(X %u2265 12.01)

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Basic Statistics: Diameter of a randomly selected piston ring

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Basic Statistics: Diameter of a randomly selected piston ring

Reference No:- TGS0839192

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Recent Questions Asked Basic Statistics

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Basic Statistics: Diameter of a randomly selected piston ring

Reference No:- TGS0839192

Recent Questions Asked Basic Statistics

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