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  • bachelor in business administration
    Polytechnic State University Sanluis
    Jan-2006 - Nov-2010

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    Polytechnic State University
    Jan-2012 - Nov-2016

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Category > Accounting Posted 17 May 2017 My Price 8.00

Each year, an insurance company reviews its claim experienc

8.62       Each year, an insurance company reviews its claim experience in order to set future rates. Regarding their damage-only automobile insurance policies, at least one claim was made on 2073 of the 12,299 policies in effect for the year. Treating these data as a random sample for the population of all possible damage-only policies that could be issued, find a 95% confidence interval for the pop- ulation proportion of at least one claim.

8.63       Out of a sample of 94 purchases at the drive- up window of a fast-food establishment, 27 were made with a major credit card.

(a)    Estimate the proportion of sales made with a credit card.

(b)    Obtain the estimated standard error.

(c)     Find a 98% confidence interval for the population proportion of purchases paid with a major credit card.

 

Answers

(8)
Status NEW Posted 17 May 2017 02:05 PM My Price 8.00

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file 1495031071-Answer.docx preview (174 words )
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