Question: In Exercise 9-8, suppose that the sample data result in millimeters. (a) What conclusion would you reach? (b) How unusual is the sample value millimeters

In Exercise 9-8, suppose that the sample data result in millimeters.
(a) What conclusion would you reach?
(b) How “unusual” is the sample value millimeters if the true mean is really 175 millimeters? That is, what is the probability that you would observe a sample average as large as 190 millimeters (or larger), if the true mean foam height was really 175 millimeters?

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