Brewertton Inc. has decided to use a p-Chart with an alpha risk of 4% to monitor the proportion of defective bolts produced by their production process. The production manager randomly samples 150 bolts at 14 successively selected time periods and counts the number of defective bolts in the sample.

Step 1 What is the Center Line of the control chart? Round your answer to three decimal places.

step 2 What is the z-value associated with the level of significance stated in the problem? Round your answer to two decimal places.

step 3 What is the Upper Control Limit? Round your answer to three decimal places.

step 4 What is the Lower Control Limit? Round your answer to three decimal places.