Top Management at a Large Software Company Wishes to Estimate

question 25

Multiple Choice

Top management at a large software company wishes to estimate the average number of hours its firm's professional employees volunteer in the local community. Based on
Past similar studies, the standard deviation was found to be 2.22 hours. If top
Management wants to estimate the average number of hours volunteered per month by
Their professional staff to within one hour with 99% confidence, how many randomly
Selected professional employees would they need to sample?

• A) 19
• B) 25
• C) 54
• D) 44
• E) 33

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Definitions:

Striated

Having a series of linear marks, grooves, or ridges; often used to describe muscle tissue that appears striped under a microscope.

Cylindrical-Shaped

Describes an object or structure with a straight, round shape that is uniform in diameter throughout its length.

Myelin

An insulating fatty layer that surrounds the nerve fibers, enhancing the speed of electrical impulses in the nervous system.

Impulses

Electrical signals that travel along the neurons, triggering responses such as muscle contractions or gland secretions.