Question 6 [9 points) We consider the following supervised classification problem for predicting how often a person stays up late depending on 3 categorical features: 'Age', 'Sex' and 'Employed'. Person Age Sex Employed Stays up late 1 60 Male No Never 8 >60 Male No Never 9 >60 Female No Never 10 >60 Female No Never OUWN a) Is this a balanced classification problem? Why? [1 pt) b) Using kNN classification with k=5, predict how frequently an unemployed female with Age