Question: please somebody help me Question 1 : A quality controller takes samples of 300 units and observes the following number of bad parts. Sample 1

please somebody help me please somebody help me Question 1 : A quality

Question 1 : A quality controller takes samples of 300 units and observes the following number of bad parts. Sample 1 2 3 4 5 6 7 #Default 8 9 4 7 9 6 5 a) Determine the percentage of defect per sample. b) What is your estimate of the percentage of defects for this process? c) You are informed that the tolerance limits for this process should be 4.7% and 0.3%. Is the process statistically controlled? Justify. d) Several weeks later, you are informed that the process produces, on average, 2% of bad parts. Calculate the 95% control limits to be observed. e) Place the above data on the control card established in d). Is the process under Control

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