Question

How would I calculate this: Anystate Auto Insurance Company took a random sample of 382 insurance claims paid out

during a 1-year period. The average claim paid was $1590. Assume σ = $234.

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     $

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