Problem # $2$ Inventory Analysis

How much safety stock should company ABC carry if they want a service level of at least $95\%?$

$\backslash$table$[[$D$,1,2,3,4,5,6,7,8,9,10,11],[$Prob$.,\mathrm{.}02,\mathrm{.}05,\mathrm{.}07,\mathrm{.}11,\mathrm{.}14,\mathrm{.}20,\mathrm{.}15,\mathrm{.}12,\mathrm{.}09,\mathrm{.}04,0]]$