To ensure the quality of microprocessor chips manufactured by Sigma Electronics, the quality control department samples 100

Question:

To ensure the quality of microprocessor chips manufactured by Sigma Electronics, the quality control department samples 100 chips produced each day. These chips are subjected to extreme operating conditions for several hours. At the end of the test, the numbers of failed chips are reported. Table 11.11 shows the results for the last 20 test runs. Plot a p chart and report if the production process is in control.
In table 11.11