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Question 4: Consider the following training set in 2-dimensional Euclidean space: (3 pts total) P S Z -1 1 Negative 0 1 Positive 0 2 Negative Negative 1 -1 0 Positive 1 Positive 2 1 2 Negative 2 3 Positive 2 a) What is distance between new point T (1.5,2.4) and 3 KNN neighbors by using Euclidean distance? b) What is the prediction of 3-KNN classifier at point (1.5,2.4) and specify the reason