$\backslash$table$[[$Tablet$,$Cost $($$$),\backslash$table$[[$Operating$],[$System$]],\backslash$table$[[$Display$],[$Size$],[($inches$)]],\backslash$table$[[$Battery$],[$Life$],[($hours$)]],\backslash$table$[[$CPU$],[$Manufacturer$]]],[$Acer Iconia W$510,599,$Windows,$10\mathrm{.}1,8\mathrm{.}5,$Intel$],[$Amazon Kindle Fire HD$,299,$Android,$8\mathrm{.}9,9,$TI OMAP$],[$Apple iPad $4,499,$IOS,$9\mathrm{.}7,11,$Apple$],[$HP Envy X$2,860,$Windows,$11\mathrm{.}6,8,$Intel$],[$Microsoft Surface Pro,$899,$Windows,$10\mathrm{.}6,4,$Intel$],[\backslash$table$[[$Motorola Droid XYboard$],[$Samsung Ativ Smart PC$]],530,$Android,$10\mathrm{.}1,9,$TI OMAP$],[\backslash$table$[[$Samsung Galaxy Tab$],[$Sony Tablet S$]],525,$Android,$10\mathrm{.}1,10,$Nvidia$],[$a$.$ What is the average cost for the tablets $($to $2,$Android,$9\mathrm{.}4,8,$Nvidia,$]]$

a$.$ What is the average cost for the tablets $($to $2$ decimals$)?$

$

b$.$ Compare the average cost of tablets with a Windows operating system to the average cost of tablets with ar Average cost with a Windows operating system $=$$

Average cost with Android operating system $=$

c$.$ What percentage of tablets use a CPU manufactured by TI OMAP $($to the nearest percent$)?$

$\%$

d$.$ What percentage of tablets use an Android o