Suppose the Wait to Pass Through Immigration at JFK Airport

question 61

Multiple Choice

Suppose the wait to pass through immigration at JFK Airport in New York is thought to be bell-shaped and symmetrical with a mean of 22 minutes. It is known that 68% of travelers will spend between 16 and 28 minutes waiting to pass through immigration. The standard deviation for the wait time through immigration is ________.

• A) 6 minutes
• B) 8 minutes
• C) 9 minutes
• D) 10 minutes

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Definitions:

Balance Sheet

A ledger detailing the assets, liabilities, and equity of shareholders of an enterprise at a specific timeframe.

Income Statement

A financial statement that reports a company's financial performance over a specific accounting period, including revenues, expenses, and profit or loss.

Gross Margin

The difference between sales revenue and the cost of goods sold, often expressed as a percentage of sales.

Dividends

Payments made by a corporation to its shareholder members, typically from profits.