A company that makes handheld computers is trying to improve one of its poorer selling

products. They conducted some customer surveys and found that customers prefer the product to

weigh between $10$ and $14$ ounces. At present, the mean of the process is $12$ ounces and the standard

deviation of the process is $4$ ounces. They want to ensure that the production process will meet

customer expectations; that is$,$ the process capability $(C_p)$ will be greater than or equal to $1\mathrm{.}00.$

What is the Cp of the current production

process?

What does the stardard deviation of the

process have to be for the $Cp$ to equal

$1\mathrm{.}00?$