The data is from a local pizza parlor. Each day the management sampled 25 pizzas to see if they met the quality requirements of the business, making sure that the order had been fulfilled properly. The table below shows the number of pizzas that did not pass the quality check.

Day Sample Size Pizza's with quality issues

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1 20 3

2 20 1

3 20 2

4 20 0

5 20 6

What is the value of p?

What are the values of the UCL and the LCL?