In a particular bottle-filling process, the amount injected into 12 oz. bottles is Normally distributed with = 12 oz. and = 0.1 oz. Bottles which contain less than 11.75 oz. do not meet the quality standard and are sold at a discount. In order to reduce the proportion of bottles that fail to meet the quality standard to 0.1%, the process should be reset (without changing ) to have equal to: