Unoccupied Seats on Flights Cause Airlines to Lose Revenue

question 95

Multiple Choice

Unoccupied seats on flights cause airlines to lose revenue.Suppose a large airline wants to estimate its average number of unoccupied seats per flight over the past year.225 flight records are randomly selected and the number of unoccupied seats is noted,with a sample mean of 11.6 seats and a standard deviation of 4.1 seats.How many flights should we select if we wish to estimate μ to within 5 seats and be 95 percent confident?

• A) 44
• B) 3
• C) 2
• D) 110
• E) 6

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Definitions:

Food Deprivation

The condition of being withheld from food, which can lead to various physiological and psychological effects.

Association Areas

Regions of the cerebral cortex that integrate simpler functions to perform more complex functions like learning, remembering, and speaking.

Somatosensory Cortex

A part of the brain responsible for processing sensory information from various parts of the body, related to touch, temperature, and body position.

Hippocampus

An area in the brain linked to the development of memory and the ability to find one's way through space.