QUESTION $41$

The central line on a p$-$chart is $0\mathrm{.}40$ with a UCL of $0\mathrm{.}55$ and an LCL of $0\mathrm{.}25.$ The proportion defectives of the next four samples are $0\mathrm{.}47,0\mathrm{.}48,0\mathrm{.}53,$ and $0\mathrm{.}58.$ What should you do$?$

The process is in statistical control; I should seek assignable causes of variation.

The process is in statistical control; I should continue to monitor it$.$

The process is out of statistical control; I should seek assignable causes of variation.

The process is qut of statistical control; I should seek common causes of variation.