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Security screening lines at hartsfield-jackson atlanta

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Reference no: EM13644337

Security screening lines at Hartsfield-Jackson Atlanta International airport are often long. The average time a passenger spends in these lines during the peak time is about 15 minutes, and follows an exponential distribution. What is the probability it will take less than 20 minutes for a passenger to pass through security screening line during the peak time?

A. 0.491

B. 0.658

C. 0.736

D. 0.812

Reference no: EM13644337

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