Loose-leaf for Operations Management (The Mcgraw-hill Series in Operations and Decision Sciences)
Loose-leaf for Operations Management (The Mcgraw-hill Series in Operations and Decision Sciences)
12th Edition
ISBN: 9781259580093
Author: William J Stevenson
Publisher: McGraw-Hill Education
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Chapter 18, Problem 6P

a)

Summary Introduction

To determine: The numbers of trucks that are expected to see at the weighing station, including inspected ones.

b)

Summary Introduction

To determine: Average waiting time at station.

c)

Summary Introduction

To determine: The probability that both inspectors would be busy at the same time.

d)

Summary Introduction

To determine: The average waiting time for a truck that is not immediately inspected.

e)

Summary Introduction

To determine: The condition that would exist if there was only one inspector.

f)

Summary Introduction

To determine: The maximum line length for a probability is 97.00%.

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Trucks are required to pass through a weighing station so that they can be checked for weight violations. Trucks arrive at the station at the rate of 45 an hour between 7:00 pm and 9:00 pm. Currently, three inspectors are on duty during those hours, each of whom can inspect 25 trucks an hour. Please show work.   Question: How many trucks would you expect to see at the weighing station, including those being inspected?
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