The Average Natural Gas Bill for a Random Sample of 26

question 32

Multiple Choice

The average natural gas bill for a random sample of 26 homes in the 19808 zip code during the month of March was $305.30 with a sample standard deviation of $46.50. The 80% confidence interval around this sample mean is ______ .

• A)($293.30, $317.30)
• B)($268.82, $341.78)
• C)($277.94, $332.66)
• D)($287.06, $323.54)

---

Definitions:

Deficits

Financial situations that occur when a government's expenditures surpass its revenues within a specified period, leading to borrowing or debt accumulation.

Tax Plan

A government's proposal or strategy regarding how to collect and manage taxes, including changes in tax rates, tax credits, and deductions.

Income Taxes

Taxes levied by the government directly on personal, or corporate income.

Budget Surplus

A situation where income or receipts exceed outlays or expenditures over a specific period, commonly used in the context of government budgets.