A process is in control with

$$

$$

$=$

$1$

$0$

$0$

$,$

$$

$$

$$

$($

$$

$)$

$=$

$2$

$.$

$3$

$0$

$,$

$$and

$$

$=$

$5$

$.$

$$The process specifications are

at

$9$

$5$

$+$

$-$

$1$

$0$

$.$

$$The quality characteristic has a normal distribution.