Drivers Arrive at a Toll Booth at a Rate of 3

question 145

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 it will take more than 1/3 of a minute between consecutive drivers?

• A)0.632
• B)0.111
• C)0.368
• D)0.208
• E)Not enough information given