1. What are the expected number of yearly breakdowns for the power generator at Orlando Utilities that has exhibited the following data over the past 20 years?
|
Number of breakdowns
|
0
|
1
|
2
|
3
|
4
|
5
|
6
|
|
Number of years in which breakdown occurred
|
2
|
2
|
5
|
4
|
5
|
2
|
0
|
2. Each breakdown of a graphic plotter table at Airbus Industries costs $50. Find the expected daily breakdown cost, given the following data:
|
Number of breakdowns
|
0
|
1
|
2
|
3
|
4
|
|
Daily breakdown probability
|
.1
|
.2
|
.4
|
.2
|
.1
|
3. David Hall, chief of the maintenance department at Mechanical Dynamics, has presented you with the following failure curve. What does it suggest?
