Elementary Statistics
12th Edition
ISBN: 9780321836960
Author: Mario F. Triola
Publisher: PEARSON
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Chapter 5.2, Problem 20BSC
Car Failures. In Exercises 19-22, refer to the accompanying table, which describes results of roadworthiness tests of Ford Focus cars that are 3 years old (based on data from the Department of Transportation). The random variable x represents the number of cars that failed among six that were tested for roadworthiness.
20.
| X | P(X) |
| 0 | 0.377 |
| 1 | 0 399 |
| 2 | 0.176 |
| 3 | 0.041 |
| 4 | 0.005 |
| 5 | 0+ |
| 6 | 0+ |
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Chapter 5 Solutions
Elementary Statistics
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