Distribution of the diameter


The inside diameter of a randomly selected piston ring is a random variable with mean value 10 cm and standard deviation 0.08 cm. Suppose the distribution of the diameter is normal. (Round your answers to four decimal places.)

(a) Calculate

P(9.99 ? X ? 10.01)

when n = 16.

P(9.99 ? X ? 10.01)

=

(b) How likely is it that the sample mean diameter exceeds 10.01 when n = 25?

P(X ? 10.01)

=

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Basic Statistics: Distribution of the diameter
Reference No:- TGS0836652

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