The weight of a USB flash drive is 30 grams and is normally distributed. Periodi

Question

The weight of a USB flash drive is 30 grams and is normally distributed. Periodically, quality control inspectors at Dallas Flash Drives randomly select a sample of 17 USB flash drives. If the mean weight of the USB flash drives is too heavy or too light the machinery is shut down for adjustment, otherwise, the production process continues. If the critical value of t for a two-tailed test is 2.120 and the observed value is 2.32, the appropriate decision is to__. reject the null hypothesis and shut down the process reject the null hypothesis and do not shut down the process fail to reject the null hypothesis and shut down the process fail to reject the null hypothesis and do not shut down the process) do nothing maintain the status quo until more information can be gathered

Explanation / Answer

Solution:-

=> option A. reject the null hypothesis and shut down the process

=> option C. fail to reject the seven-minute average waiting time claim

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