Questions 36-37 are based on the following question:

Customers arrive at a local bank at an average rate of 15 per hour. Assume that the time between arrivals follows the exponential probability distribution:

1. What is the probability that the next customer will arrive within the next 3 minutes?
   1. .5276
   2. .6328
   3. .5230
   4. .5345

1. What is the probability that next customer will arrive between 4 and 8 minutes?
   1. 0.8413
   2. 0.0893
   3. 0.2487
   4. 0.2325