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In: Statistics and Probability

The inside diameter of a randomly selected piston ring is a random variable with mean value...

The inside diameter of a randomly selected piston ring is a random variable with mean value 15 cm and standard deviation 0.07 cm. Suppose the distribution of the diameter is normal. (Round your answers to four decimal places.)

(a) Calculate

P(14.99 ≤ X ≤ 15.01)

when n = 16.

P(14.99 ≤ X ≤ 15.01)

=

(b) How likely is it that the sample mean diameter exceeds 15.01 when n = 25?

P(X ≥ 15.01)

=

Solutions

Expert Solution

2)

orchestra answered 2 years ago
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