The Department of Motor Vehicles (DMV) can service customers at a rate of 20 per hour...
The Department of Motor Vehicles (DMV) can service customers at a rate of 20 per hour when it comes to license renewals. The service time follows an exponential distribution. What is the expected value and standard deviation?
A.) 3, 0.33
B.) 1/3, 0.33
C.) 20, 0.11
D.) 1/3, 0.11
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