Question: If the common average proportion of defective items for a production line is 0.015. What is the value of UCL in a p-chart using z

If the common average proportion of defective items for a production line is 0.015. What is the value of UCL in a p-chart using z = 3 and a sample size of 100?
less than or equal to 0.050
greater than 0.050 but less than or equal to 0.060
greater than 0.060 but less than or equal to 0.070
greater than 0.070

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