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According to statistics report, a surprising number of motor vehicles are not covered by insurance. Sample...

According to statistics report, a surprising number of motor vehicles are not covered by insurance. Sample results from a poll showed that 52 of 200 vehicles (0.26 or 26%) were not covered by insurance. Assume 95% confidence interval and at a 5% level of significance. show all work.

A. if some vehicle company claimed that the national proportion of motor vehicles that are not covered by insurance is 30%, is this claim reasonable? Why?

B.What is the maximum 95% margin of error for the percentage of motor vehicles that are not insured?

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orchestra answered 2 years ago
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