Question: A control chart is to be formed for a process in which laptops are produced. The inspection unit is one laptop and control chart

A control chart is to be formed for a process in which

A control chart is to be formed for a process in which laptops are produced. The inspection unit is one laptop and control chart for the number of defects are to be used. Preliminary data are recorded and 90 defects are found in 40 laptops. Obtain the value of UCL & LCL of c- chart? None of these options 4.24; +0.26 4.24; -0.26 6.75; -2.25

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