Homework Answers
| Frontal Crash Test rating | Frequency | Relative frequency |
| 3 | 1 | 1/16 = 0.0625 |
| 2 | 12 | 12/16 = 0.75 |
| 1 | 1 | 1/16 = 0.0625 |
| 0 | 2 | 2/16 = 0.125 |
| Total | 16 |
b) Relative frequency that a randomly selected car will have a crash test rating of Marginal Or worse
= 0.0625 + 0.125
= 0.1875
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