Mathematics, 04.12.2019 00:31, justachelseafan
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. the last sample showed a mean and standard deviation of 31.9 and 1.8 grams, respectively. using α = 0.10, the critical t values are
a. reject the null hypothesis and shut down the process.
b. reject the null hypothesis and do not shut down the process.
c. fail to reject the null hypothesis and do not shut down the process) do nothing.
d. fail to reject the null hypothesis and shut down the process.
Answers: 1
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The weight of a usb flash drive is 30 grams and is normally distributed. periodically, quality contr...
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