Drivers Arrive at a Toll Booth at a Rate of 3

question 34

Multiple Choice

Drivers arrive at a toll booth at a rate of 3 per minute during peak traffic periods. The time between consecutive driver arrivals follows an exponential distribution. What is the probability that takes less than 1/2 of a minute between consecutive drivers?

• A) 0.167
• B) 0.223
• C) 0.777
• D) 0.5
• E) 1

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