A Random Sample of 121 Automobiles Traveling on an Interstate

question 125

Multiple Choice

A random sample of 121 automobiles traveling on an interstate showed an average speed of 65 mph. From past information, it is known that the standard deviation of the population is 22 mph. The 95 percent confidence interval for μ is determined as (61.08, 68.92) . If we are to reduce the sample size to 100 (other factors remain unchanged) , the 95 percent confidence interval for μ would:

• A) become wider.
• B) become narrower.
• C) be the same.
• D) be impossible to determine.

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Definitions:

Statement of Comprehensive Income

A financial statement that displays all changes in equity of a company that arise from non-owner sources during a specific period, including all revenues and expenses.

Terminal Loss

The difference between UCC and the adjusted cost of disposal when the UCC is greater.

CCA Rate

Capital Cost Allowance rate, which is the rate at which businesses in certain jurisdictions can claim depreciation on assets for tax purposes.

Marginal Tax Rate

The percentage of tax applied to an individual or entity's next dollar of income, showing the impact of the last dollar earned on their tax liability.