The Weight of a USB Flash Drive Is 30 Grams $\alpha$

question 32

Multiple Choice

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 $\alpha$ = 0.10, the appropriate decision is to _______.

• 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 shut down the process
• D)fail to reject the null hypothesis and do not shut down the process)do nothing

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Definitions:

African American

An alternative definition for individuals in the U.S. whose ancestry can be traced back to Africa, focusing on cultural, historical, and social aspects.

Decreasing

Becoming less in size, quantity, or frequency over time.

Middle Eastern Parents

refers to guardians or caretakers from countries in the Middle East, often characterized by cultural norms and values unique to the region.

Domestic Chores

Tasks and activities conducted in the maintenance of a household, such as cleaning, cooking, and laundry, traditionally performed by members of the household.