Judy Holmes's assembly unit has decided to use a p-Chart with an alpha risk of 6 % to monitor the proportion of defective metal shafts produced by their production process. The production manager randomly samples 100 metal shafts at 12 successively selected time periods and counts the number of defective metal shafts in the sample. Table Control Chart Copy Table Step 1 of 8 : What is the Center Line of the control chart? Round your answer to three decimal places. Answer Tables Keypad How to enter your answer (opens in new window) Keyboard Shortcuts