Question: The diameter of each cork, as described in Applied Example 6.13, is measured in several places and an average diameter is reported for the cork.

The diameter of each cork, as described in Applied Example 6.13, is measured in several places and an average diameter is reported for the cork. The average diameter has a normal distribution with a mean of 24.0 mm and standard deviation of 0.13 mm.
a. The specs for this variable, given in Applied Example 6.13, were “24 mm + 0.6 mm/-0.4 mm” Express these specs as an interval.
b. What percentage of the corks is expected to fall within the specs?
c. What percentage of the tested corks will have an average diameter of more than 24.5 millimeters?
d. What percentage of the tested corks will have an average diameter within 0.35 millimeter of 24?

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a From 24 04 to 24 06 or from 236 mm to 246 mm b P236 x 246 P2... View full answer

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