Wilsen creates, among other things, footballs. these should be, given their name, exactly one foot long (i. e., this is actually the reason why american football is called "football" with a lsl of 11.8 inches and an usl of 12.2 inches. currently, the production process generates footballs with an average length of 12.1 inches and a standard deviation of 0.03 inches. by how much can we improve the process capability index of this process if we centered the mean? group of answer choices 200% 2.22 50% 100%