In a Random Sample of 651 Computer Scientists Who Subscribed

question 19

Multiple Choice

In a random sample of 651 computer scientists who subscribed to a web-based daily news update,it was found that the average salary was $46,816 with a standard deviation of $12,557.Calculate a 91% confidence interval for the mean salary of computer scientists.

• A)[$25,469 $68,163]
• B)[$46,592 $47,040]
• C)[$46,157 $47,475]
• D)[$46,783 $46,849]
• E)[$45,979 $47,653]

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Definitions:

Cells

The basic structural, functional, and biological units of all living organisms, acting as the building blocks of life.

Dietary Trans-Fatty Acids

Unhealthy fats found in some foods that can increase the risk of heart disease.

Hydrogenated Vegetable Oils

Vegetable oils that have been chemically processed to convert them into a more solid form, often used in processed foods and associated with health risks like heart disease.

FDA

The Food and Drug Administration, a federal agency of the United States responsible for protecting public health by regulating food, drugs, medical devices, and cosmetics.