please help find b and the lower control limit

Reter to Table S6.1- Factors for Combuling Control Cher Umis. S tigna) for this problem A process that is considered to be in control meosures an ingredient in curcet. Below are the last 10 samples (euch of sire n=5 ) taken. The populabon process standard devation is 120. a) Standard deviation of the samping means = 0.537 ounces (pound your reuponse fo three decinal places). b) With z=3, the control imits for the mean chat are: UCL. = eunces (round your response to three decims places)