Suppose a process has an upper specification limit $5\mathrm{.}60,$ and a lower specification limit $5\mathrm{.}0.$ If a customer requires a demonstrated Cp of $2\mathrm{.}0.$ What must the process standard deviation be$?$

Group of answer choices

$0\mathrm{.}1$

$0\mathrm{.}05$

$0\mathrm{.}15$