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4 points QUESTION 18 Solve the problem. Four hundred accidents that occurred on a Saturday night were analyzed. The number of vehicles involved and whether
4 points QUESTION 18 Solve the problem. 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: Number of Vehicles Involved Did Alcohol Play a Role? 3 or more Totals Yes 50 94 26 170 No 29 178 23 230 Totals 79 272 19 400 Suppose that one of the 400 accidents is chosen at random. What is the probability that the accident involved alcohol or a single car? 0 79 400 S 199 OOF O 17 40QUESTION 20 4 points Solve the problem. The manager of a used car lot took inventory of the automobiles on his lot and constructed the following table based on the age of each car and its make (foreign or domestic): Age of Car (in years) Make 0-2 3-5 6-10 over 10 Total Foreign 44 23 12 21 100 Domestic 12 20 13 25 100 Total 43 25 46 200 A car was randomly selected from the lot. Given that the car selected was a foreign car, what is the probability that it was older than 2 years old? O 14 O O
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