Anystate Auto Insurance Company took a random sample of 382 insurance claims paid out during a 1-year period. The average claim paid was $1520. Assume σ = $248.
Anystate Auto Insurance Company took a random sample of 382 insurance claims paid out during a 1-year period. The average claim paid was $1520. Assume σ = $248.
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 $