A Sample of 100 Information Systems Managers Had an Average

question 78

Multiple Choice

A sample of 100 information systems managers had an average hourly income of $40.00 with a standard deviation of $8.00. If we want to determine a 95% confidence interval for the average hourly income of the population, the value of t is

• A) 1.96.
• B) 1.645.
• C) 1.28.
• D) 1.993.

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Definitions:

Sulfur Dioxide

A colorless gas with a sharp smell, produced by burning fossil fuels and volcanic eruptions, often associated with air pollution and acid rain.

Marginal Social Cost

The total cost to society of producing one additional unit of a good or service, including both the private costs and any external costs.

Pigouvian Taxes

Taxes designed to reduce external costs.

External Costs

costs inflicted upon a third party when goods and services are produced and consumed.