The Average Natural Gas Bill for a Random Sample of 21

question 81

Multiple Choice

The average natural gas bill for a random sample of 21 homes in 19810 zip code during the month of March was $311.90 with a sample standard deviation of $51.60.The 90% confidence interval around this sample mean is _______.

• A) [$285.98,$337.82]
• B) [$292.46,$331.34]
• C) [$278.09.$345.71]
• D) [$266.82,$356.98]

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Definitions:

Fair Value Option

The choice given to entities to report certain financial assets and liabilities at their fair value to measure change in their value.

Financial Instrument

An agreement resulting in a financial asset for one party and a financial obligation or equity security for another.

Receivables Recognition Irregularities

Irregularities or anomalies in recognizing receivables that may involve premature or improper revenue recognition, affecting the financial statements' accuracy.

Changes in Receivables

This refers to the variations in the amounts owed to a company by its customers over a specific period.