Pls look up the same question on chegg and help me answer part 2 (it's a multiple choice question)

The Big Black Bird Company produces fiberglass camper tops. The process for producing the tops must be controlled so as to keep the number of dimples low. When the process was in control, the defects shown to the right were found in 10 randomly selected camper tops over an extended period of time. 6 7 8 9 10 a. Assuming 10 observations are adequate for this purpose, determine the three-sigma control limits for dimples per camper top. The UCL equals and theLCLC equals (Enter your responses rounded to two decimal places. If your answer for LCL is negative, enter this value as 0.) Top 012345 Dimples 9 8 16 12 2 10 9 458