The inside diameter of a randomly selected piston ring is a, Ask an Expert

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The inside diameter of a randomly selected piston ring is a random variable with mean value 12 cm and standard deviation 0.4 cm. Let X is the sarnple mean diameter for a random sample of n:64 rings.

(a) Find the sampling distribution of. X. Specify the parameters.

(b) Find the probability of P(11.99 < X < 12.01)

(d) Find the 95th percentile of X.

X = X with the line over it

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9991687

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