Specifications for a piece of material used in the manufacture of a bed mattress require that the piece be between a Lower and Upper value (in inches) centered around the process mean. The process that produces the piece yields a mean of 52 and a standard deviation of 0.7 inches. The distribution of output is normal. Within what values will 88.86 percent of sample means fall, if samples of n=13 are taken and the process is in control? 50.08,53.91951.288,52.71150.885,53.11451.69,52.309 None of the Above