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Concept explainers
(a)
To find: the probability that if it's a new car, it's got some type of defect.
(a)
![Check Mark](/static/check-mark.png)
Answer to Problem 1RE
0.34
Explanation of Solution
Given:
Formula used:
Calculation:
Event F represents a
Required probability is
Therefore, the required probability is 0.34.
(b)
To find: the possibility that it has a cosmetic defect but no functional defect.
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 1RE
0.27
Explanation of Solution
Given:
Formula used:
Calculation:
Therefore, the required probability is 0.27
(c)
To find: the probability that if a crack on a new car is found, it has a functional defect.
(c)
![Check Mark](/static/check-mark.png)
Answer to Problem 1RE
0.069
Explanation of Solution
Given:
Formula used:
Calculation:
Therefore, the required probability is 0.069
(d)
To explain: the events are disjointed by the two forms of defects.
(d)
![Check Mark](/static/check-mark.png)
Explanation of Solution
Given:
The two types of events are not cases that are disjointed. Therefore, the chance of new vehicles getting all kinds of problems is 2%.
(e)
To explain: the two forms of defects are independent cases.
(e)
![Check Mark](/static/check-mark.png)
Answer to Problem 1RE
Independent
Explanation of Solution
Given:
Calculation:
If the events should say to be independent then,
Therefore,
Therefore, both events are independent.
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Stats: Modeling the World Nasta Edition Grades 9-12
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