The 3-Sigma Control Limits of the P Chart for the Fraction

Short Answer

The 3-sigma control limits of the p chart for the fraction of defective items in a process believed to be in control are LCL = .0125 and UCL = .1425. If the smallest and largest values of $\hat { p } ,$ the fraction of defective items, are .0062 and .1685 respectively, then the process is __________.