$($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 system.

The average cost of a tablet with a Windows operating system is $

The average cost of a tablet with an Android operating system is $ Thus we see tablets with Windows operating systems cost than tablets with an Android operating system, on average.

$($c$)$ What percentage of tablets use a CPU manufactured by Intel? $\%$

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

$\%$