10. Four hundred accidents that occurred on a Saturday night were analyzed. The number of vehicles involved and whether alcohol played a role in the accident were recorded. The results are shown below: a. Did alcohol play a role? Yes No Totals Number of Vehicles Involved 3 or more 2 1 55 29 Involved alcohol or a single car? 594 84 99 178 277 Suppose that one of the 400 accidents is chosen at random. What is the probability that the accident: b. Involved 3 or more vehicles or involved alcohol? 16 23 39 C. Involved 3 or more vehicles given alcohol was involved? Totals 170 230 400
10. Four hundred accidents that occurred on a Saturday night were analyzed. The number of vehicles involved and whether alcohol played a role in the accident were recorded. The results are shown below: a. Did alcohol play a role? Yes No Totals Number of Vehicles Involved 3 or more 2 1 55 29 Involved alcohol or a single car? 594 84 99 178 277 Suppose that one of the 400 accidents is chosen at random. What is the probability that the accident: b. Involved 3 or more vehicles or involved alcohol? 16 23 39 C. Involved 3 or more vehicles given alcohol was involved? Totals 170 230 400
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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