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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