$\backslash$table$[[$Apple iPad $4,499,$IOS,$9\mathrm{.}7,11,$Apple$],[$HP Envy X$2,860,$Windows,$11\mathrm{.}6,8,$Intel$],[$Lenovo ThinkPad Tablet,$668,$Windows,$10\mathrm{.}1,10\mathrm{.}5,$Intel$],[$Microsoft Surface Pro,$899,$Windows,$10\mathrm{.}6,4,$Intel$],[$Motorola Droid XYboard,$530,$Android,$10\mathrm{.}1,9,$TI OMAP$],[$Samsung Ativ Smart PC$,590,$Windows,$11\mathrm{.}6,7,$Intel$],[$Samsung Galaxy Tab,$525,$Android,$10\mathrm{.}1,10,$Nvidia$],[$Sony Tablet S$,360,$Android,$9\mathrm{.}4,8,$Nvidia$]]$

$($a$)$ What is the average cost for the tablets?

$($b$)$ Compare the average cost of tablets with a Windows operating system to the average cost of tablets with an Android operating sys The average cost of a tablet with a Windows operating system is $ $.$ The average cost of a tablet with an Android $.$ Thus we see tablets with Windows operating systems cost than tablets with an Android opera

$($c$)$ What percentage of tablets use a CPU manufactured by TI OMAP?

$\%$

Enter a number.

$($d$)$ What percentage of tablets use an Windows operating system?

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