Mathematics, 03.05.2021 14:00 arnold2619
The diameter of DVDs is normally distributed with a population mean of 3.5. Periodically, quality control inspectors at Dandenong DVDs randomly select a sample of 16 DVDs. If the mean diameter of the DVDs is too large or too small, the DVD punch is shut down for adjustment; otherwise, the punching process continues. The last sample showed a mean and standard deviation of 3.49 and 0.08 cm, respectively. Using α= 0.05, the appropriate decision is _
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The diameter of DVDs is normally distributed with a population mean of 3.5. Periodically, quality co...
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