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A company publishes statistics concerning car quality. The initial quality score measures the number of problems per new car sold. For one year, Car A
A company publishes statistics concerning car quality. The initial quality score measures the number of problems per new car sold. For one year, Car A had 1.15 problems per car. Let the random variable X be equal to the number of problems with a newly purchased model A car. Complete parts (a) through (d).A. At least 30 model A cars are sold. LY B. The probability of a problem in a time period approaches zero as the length of the time period becomes smaller. LY C. The number of problems in a given period is independent of the number of problems in any other period. LYD. The probability of a problem is the same for each period of time. b. Making the assumptions as in (a), if you purchased a model A car, what is the probability that the new car will have zero problems? The probability that the new model A car will have zero problems is 0.3166. (Round to four decimal places as needed.) c. Making the assumptions as in (a), if you purchased a model A car, what is the probability that the new car will have two or fewer problems? The probability that a new model A car will have two or fewer problems is 0.8901. (Round to four decimal places as needed.) d. Give an operational definition for "problem." O A. A problem is when an owner files a complaint or becomes dissatisfied with a vehicle's performance, usability, or reliability O B. A problem is when a vehicle gets into a traffic violation, an accident, or an owner is injured while driving the vehicle. O C. A problem is when a vehicle has a complete break down or malfunction, or when controls or features are difficult to use or understand. O D. A problem is when parts of the vehicle wear out or break sooner than anticipated, or the vehicle requires more maintenance than expected for its age
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