Suppose a Research Firm Conducted a Survey to Determine the Average

question 10

Multiple Choice

Suppose a research firm conducted a survey to determine the average amount of money steady smokers spend on cigarettes during a week. A sample of 100 steady smokers revealed that the sample mean is $20 and the sample standard deviation is $5. What is the probability that a sample of 100 steady smokers spend between $19 and $21?

• A) 0.4772
• B) 0.0228
• C) 0.9544
• D) $20

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Definitions:

Replenished

The process of refilling or restoring inventory, supplies, or funds to their previous level or to a desired level of capacity.

Miscellaneous Expense

Small, often irregular costs that don't fit into a specific category within a company's financial statements.

Federal Reserve

The central banking system of the United States, responsible for monetary policy, banking supervision, and financial services.

Parties to a Check

The individuals or entities involved in a check transaction, including the drawer, payee, and drawee.