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STAT 200 Week 3 Homework Problems
STAT 200 Week 3 Homework Problems: Expert Solutions for Success
4.1.4
A project conducted by the Australian Federal Office of Road Safety asked people many questions about their cars. One question was the reason that a person chooses a given car, and that data is in table #4.1.4 ("Car preferences," 2013).
Table #4.1.4: Reason for Choosing a Car
|
Safety |
Reliability |
Cost |
Performance |
Comfort |
Looks |
|
84 |
62 |
46 |
34 |
47 |
27 |
Find the probability a person chooses a car for each of the given reasons.
Answer
Total reasons for choosing a car
= 84+62+46+34+47+27
=300
Probability of choosing safety
= 84/300
=0.28
Probability of choosing reliability
= 62/300
= 0.207
Probability of choosing cost
= 46/300
=0.153
Probability of choosing performance
= 34/300
= 0.113
Probability of choosing comfort
= 47/300
= 0.157
Probability of choosing looks
= 27/300
= 0.09
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