Mathematics, 29.05.2020 07:00 paigehixson342
Suppose a company makes skateboard wheels with a diameter of 64 mm. When the machine that manufactures the wheels is functioning properly, it produces wheels whose diameters are normally distributed with a mean of 64 mm and a standard deviation of 3.5 mm. The machine gets out of tolerance over time, and can produce wheels that have either a larger or smaller mean diameter. Therefore, quality control inspectors randomly select wheels and measure their diameters. A recent random sample of 49 wheels had a mean of 65 mm.
Represent the p-value of the sample results.
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Suppose a company makes skateboard wheels with a diameter of 64 mm. When the machine that manufactur...
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