Question 21 Not yet answered Marked out of 2.00 P Flag question Al Ghadeer LLC has arranged to monitor the manufacturing process of laptops, a quality control engineer randomly selects 50 laptops from the production line, each day over a period of 20 days. The laptops are inspected for certain defects and the number of defective laptops found each day is recorded in the following table: Sample no1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Number 4 6 8 10 4 3 4 7 8 4 6 1 5 3 2 3 7 9 2 4 of Defectives (A) Find central line value of no control chart? 4 (B) Find upper controllimit value of np control chart? G o > o C c =