Purchase Solution

Waiting Line - Averages and Probability

Not what you're looking for?

Ask Custom Question

See the attached file for full problem description.

Automobiles arrive at the drive-through window at the downtown Urbana, Illinois, post office at the rate of 4 every 10 minutes. The average service time is 2 minutes.

A. What is the average number of cars in the system?
B. What is the average number of cars waiting in the system?
C. What is the average number of cars waiting to receive service?
D. What is the average number of cars in line behind the customer receiving service?
E. What is the probability that there are no cars at the window?
F. What percentage of the time is the postal clerk busy?
G. What is the probability that there are exactly 2 cars in the system?

Attachments
Purchase this Solution

Solution Summary

A Word file contains the solutions to the waiting line problem, including averages, percentages and probabilities.

Purchase this Solution


Free BrainMass Quizzes
Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.