Question: P Chart: Problem 3) A production manager at a Contour Manufacturing plant has inspected the number of defective plastic molds in 9 random samples of

P Chart: Problem 3) A production manager at a

P Chart: Problem 3) A production manager at a Contour Manufacturing plant has inspected the number of defective plastic molds in 9 random samples of 35 observations each. Following are the number of defective molds found in each sample: Sample Number of Number of Defects Observations Percentag e of Defects in Sample 1 9 35 0.26 2 5 35 0.14 3 3 35 0.09 4 4 0.11 0.17 5 6 6 4 555551 0.11 7 2 0.06 8 4 0.11 9 5 35 0.14 0.13 Total 42 315 P bar (a) (b) (C) (d) Calculate the percentage of defective plastic molds in each sample. Calculate the control limits for the p-chart corresponding to this problem at a 99.74% confidence. Graph the p chart for the above problem. Write the conclusion you draw from the chart (be specific). Conclusion: Op = z= CL= UCL= LCL=

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