students chart Forbes that is three chart Sampan that is the and rart for attributes number of defective items that c23 number number def the second question 15 tape recorded examed for quality control test the number of defectives in each tape recorded is recorded below draw the appropriate control chart and comment on the state of control that is 15 tape recorder defec thir three defective number defective then 6 s defective it s so that and number and third and in the second row and fourth that is in the second Val and last C andu that is upper leru 81962 number number of defectives lowest value one and highest value s but in the 8196 so that so here all the sample points lies within the control limit hence the process is under the control okay first number second number of inspect that number number so probability of Def by55 2 65 85 0. L Which is less 1.25 into a value of small that is summ 0.7 and the upper limit 1.25 into number ins U total number of defective items divided by total number of items inspected that is summation of CI divided by summation of n theable total number of Def it number def it summation of C by summ of Na summ of C 60 summation of Na value 800 0.7 okay okay the.2 and 0113 but UCL Val 0.163 so at least the point 0. 0.07 0166 number 0108 so in the point 01 012 012 under control that is here all the sample points lies within the control limit hence the process is under the control okay