Question: What is the average length of a company s policy book

What is the average length of a company’s policy book? Suppose policy books are sampled from 45 medium-sized companies. The average number of pages in the sample books is 213,and the population standard deviation of48. Use this information to construct a 98% confidence interval to estimate the mean number of pages for the population of medium-sized company policy books.


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  • CreatedFebruary 19, 2015
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