2. Using the uniform distribution Aa Aa The Transportation Security Administrati

Question

2. Using the uniform distribution Aa Aa The Transportation Security Administration (TSA) collects data on wait time at each of its airport security checkpoints. For flights departing from Terminal 1 at John F. Kennedy International Airport (JFK) between 3:00 and 4:00 PM on Wednesday, the mean wait time is 10 minutes, and the maximum wait time is 12 minutes. [Source: Transportation Security Administration, summary statistics based on historical data collected between February 18, 2008, and March 17, 2008.] Assume that X, the wait time at the Terminal 1 checkpoint at JFK for flights departing between 3:00 and 4:00 PM orn Wednesday, is uniformly distributed between 8 and 12 minutes. Use the Distributions tool to help you answer the questions that follow. Select a Distribution Distributions 0

Explanation / Answer

P(You will miss the flight | You are waiting from past 9 minutes)

= P(X > 11| X = 9)

= (12 - 11) / (12 - 9)

= 1 / 3

= 0.3333

Option B is correct.

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