really struglling with these two problems and need help i will upvote your answer

To control the painting quality, you need to monitor the number of scratches on a specific surface of a product. Every day, you inspect just one product fit is very time consuming). The following data are your observations of six consecutive days. Please decide the UCL and LCL using z=2 (two-sigma control). Day 1 2 3 4 5 6 Number of scratches 5 8 8 11 47 Select one: a. 12.52 and 1.81 O b. 13.56 and 8.07 c. 9.84 and 4.49 d. 7.85 and 0 A bottle-filling machine fills bottles to a mean of 30 ounces with a standard deviation of 1 ounces. If the process Cp index is 1, what is the difference between the upper specification and lower specification of the process? Select one: a. 6.83 b. 6.00 c. 12.00 d. 5.30