Refer to the previous question. How many attributes $($features$)$ are in Alex's dataset?

Question $3$

$0\mathrm{.}25$ pts

Refer to the previous question. What is the classification accuracy of Alex's classifier?

NOTE: Report your answer in percent and round it to the second digits after the decimal $($e$.$g$.,25\mathrm{.}33333=>25\mathrm{.}33$ or $98\mathrm{.}7652=>98\mathrm{.}77)$