Anystate Auto Insurance Company took a random sample of 386insurance claims paid out during a 1-year period. The average claimpaid was $1585. Assume σ = $256.
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 $
please explain how to get the z score using the table. I can notfigure it out.
please do not use excel. I am trying to learn how to dothis.
