An Employee of the Bureau of Transportation Statistics Has Been

question 44

Multiple Choice

An employee of the Bureau of Transportation Statistics has been given the task of estimating the proportion of on-time arrivals of a budget airline. A prior study has estimated this on-time arrival rate as 78.5%. What is the minimum number of arrivals this employee must include in the sample to ensure that the margin of error for a 95% confidence interval is no more than 0.05?

• A) 270
• B) 259
• C) 260
• D) 269

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Definitions:

Tax

A compulsory monetary fee or a different kind of charge levied on a taxpayer by a government entity to finance government expenses and various public costs.

Buyers

Individuals or entities that purchase goods or services for consumption, use, or investment.

Total Surplus

The combined benefit that all participants (consumers and producers) receive in a market, represented by the sum of consumer and producer surplus.

Market Equilibrium

A condition in a market where the quantity demanded equals the quantity supplied, leading to a stable price.