You moy need to use the asprepriete gfpendix table or technolegy to answer this quentign. (b) Deveiap a.sos, prediction interval for the treal cost fin cotarif for neat month. (daburd vour ariwers to the nearest cent.) to 5 since $7,160 is the predction interval, matapers ahsule eonctened absut inourring such a high total cest for one month..