A Marketing Firm Wants to Estimate How Much Root Beer

question 58

Multiple Choice

A marketing firm wants to estimate how much root beer the average teenager drinks per year. A previous study found a standard deviation of 1.12 liters. How many teenagers must the firm interview in order to have a margin of error of at most 0.1 liter when constructing a 99% confidence interval?

• A) 831.39
• B) 832
• C) 832.39
• D) 833

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Definitions:

Days' Cash

A measure of a company's financial flexibility, indicating the number of days the company can continue to operate using only its cash on hand, without additional income or financing.

Petty Cash

Petty cash is a small amount of cash on hand used for paying expenses too small to merit writing a check or using a credit card.

Miscellaneous Expense

Expenses that are not classified under any standard expense categories within the accounting system, often of a small or irregular nature.

Days' Cash

A measure of a company's financial stability, indicating how many days the company can continue to operate using only its available cash without needing additional income.