please only do 3 and 4's problems. thank you for helping me out

P" fraction 4 6 2. A company has been doing final inspection on hose assemblies for vacuum pumps. A loose hose on an orifice is considered a defect and must be repaired. The daily production records from a sample of 100 each day for 10 days show the following results. Day Number of Daily defectives per Sample defective 1 10 2 12 3 15 GS 8 1.02 N=1 (100) - 1000 5 7 207 12 7 13 B 8 35 135 12 10 15 Total 13 (a) Find the average fraction defective (). + 2:13 13.9% (6) Find the UCL and LCL for the p chart. tit. 316Ci 33 => 100 ) Sketch out a plot of the fraction defective versus the day along with the upper and lower control limits and the individual daily fraction defective, 9 LALP: 136 235 -13 03 (d) is the process in control? Yes or No No If no, what should be done? restigote COSES. the Interre 3. (a) How could x and R charts be used to determine if the grades assigned in different classes by different instructors were "in control"? (6) What should be done to classes that are "out of control? 4. If a process was sampled hourly for the past 30 hours with a sample size of 4 and the mean of the 30 samples was 52.43 and the mean of the 30 ranges was 3.45, (a) what would be the UCL and LCL for the x-bar chart? (b) what would be the UCL and LCL for the range chart