customers that return for the same repair within the $3$ and graphs to illustrate how reliably its mechanics "get under the hood and fix the problem." The historic average for the proportion of as a proportion to report progress toward the goal. If $100$ customers in the sample group returned for warranty repairs. Is the repair process in control?

The UCL $L_p$ equals and the $LC{L}_p$ equals $($Enter your responses rounded to three decimal places.$)$