Help Save & Ext C&A's potato chip filling process has a lower specification limit of 9.5 oz. and an upper specification of 10.5 oz. The standard deviation is 0.5 oz and the mean is 10 oz. Which value comes closest to the standard deviation required in this process to achieve a ppm of 5000?
Multiple Choice o 0.17 o 0.20 o 0.32 o 0.24