Solved: Car Failures. In Exercises 1922, refer to the
Chapter 5, Problem 20(choose chapter or problem)
Car Failures. In Exercises 1922, refer to the accompanyingtable, which describes results of roadworthiness tests of Ford Focuscars that are 3 years old (based on data from the Departmentof Transportation). The random variable x represents the numberof cars that failed among six that were tested for roadworthiness. x P(x)0 0.3771 0.3992 0.1763 0.0414 0.0055 0+6 0+ Range Rule of Thumb for Unusual Events Use the range rule of thumb with theresults from Exercise 19 to identify a range of values containing the usual numbers of car failuresamong six cars tested. Based on the result, is three an unusually high number of failuresamong six cars tested? Explain
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