Given a dataset as below. we want to decide whether to play or not to play basketball on a certain day. each input has four features ( x1 , x2 , x3 , x4 ): outlook, temperature, humidity, wind. the decision (play vs no-play) is represented as . find entropy . [4pts] find conditional entropy |x1) , |x4) , respectively. [8pts] find mutual information and and determine whether which one ( x1 or x4 ) is more informative. [5pts] find joint entropy ) . [4pts]