In october , apple introduced a much smaller variant of the apple ipad, known as the ipad mini. weighing less than ounces, it was about lighter than the standard ipad. battery tests for the ipad mini showed a mean life of hours (the wall street journal, october , ). assume that battery life of the ipad mini is uniformly distributed between and hours. a. give a mathematical expression for the probability density function of battery life. a.

Kirnon clinic uses client-visits as its measure of activity. during july, the clinic budgeted for 3,250 client-visits, but its actual level of activity was 3,160 client-visits. the clinic has provided the following data concerning the formulas to be used in its budgeting: fixed element per month variable element per client-visitrevenue - $ 39.10personnel expenses $ 35,100 $ 10.30medical supplies 1,100 7.10occupancy expenses 8,100 1.10administrative expenses 5,100 0.20total expenses $ 49,400 $ 18.70the activity variance for net operating income in july would be closest to: