The milling machine in the fabrication department of your company produces a very important part for the products you sell. You are given the following historical data on the machine (from a SAMPLE of n = 12 weeks): Machine Number of parts Breakdowns/week Produced/week M) (W average # average # of of machine parts breakdowns/week: produced/week: X bar = 45 Y bar = 150 _ , standard standard devnation , , , devnation of # of of # of machine parts b kd k: rea owns/wee produced/week: s = 8 X g=20 n=12 n=12