View the step-by-step solution to:



4. Customers arrive to a single-server queue according to a Poisson process with mean rate 4 per

hour. Customer service times have a normal distribution with mean of 10 minutes and standard deviation of 2 minutes.


a. average number of customers in queue

b. average time customers spend in queue


4. (a) .6933 (b) .1733 hour

Professor gave answer, but I would like to see the steps on how to solve it.

Recently Asked Questions

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question
Ask Expert Tutors You can ask 0 bonus questions You can ask 0 questions (0 expire soon) You can ask 0 questions (will expire )
Answers in as fast as 15 minutes