Confidence interval for the mean claim payment

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Anystate Auto Insurance Company took a random sample of 356 insurance claims paid out during a 1-year period. The average claim paid was $1570. Assume σ = $254.

Find a 0.90 confidence interval for the mean claim payment. (Round your answers to two decimal places.)lower limit $ upper limit $

Find a 0.99 confidence interval for the mean claim payment. (Round your answers to two decimal places.)lower limit $ upper limit $

Reference no: EM132381321

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