Mathematics · Queueing Theory
Arrivals at a bank counter follow a Poisson distribution with an average time of 12 minutes between two successive arrivals. The service time is distributed exponentially with a mean of 5 minutes. What is the probability that a customer arriving at the counter does not have to wait for service?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.50
- 20.417
- 30.583✓
- 40.25
Correct answer
0.583
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