CH 11 Assignment

# CH 11 Assignment - Revised March 2011 Chapter 11...

This preview shows pages 1–2. Sign up to view the full content.

Revised March 2011 Chapter 11 Assignments:  Problem 1 Willow Brook National Bank operates a drive-up teller window that allows customers to complete bank transactions without getting out of their cars. On weekday mornings, arrivals to the drive-up teller window occur at random, with an arrival rate of 24 customers per hour or 0.4 customers per minute. a. What is the mean or expected number of customers that will arrive in a five- minute period? b. Assume that the Poisson probability distribution can be used to describe the arrival process. Use the arrival rate in part (a) and compute the probabilities that exactly 0, 1, 2, and 3 customers will arrive during a five-minute period. c. Delays are expected if more than three customers arrive during any five- minute period. What is the probability that delays will occur?  Problem 2 In the Willow Brook National Bank waiting line system (see Problem 1), assume

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 2

CH 11 Assignment - Revised March 2011 Chapter 11...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online