A predictive model produces the following results for Model A Event Classification Table Data Role=TRAIN Target=Respond False True False True Negative Negative Positive Positive 5? 60 2846 8659 Data Role=VALIDATE Target=Respond False True False True Negative Negative Positive Positive 44 40 1897 5769 Another predictive model produces the following results for Model B E {DmNmAwMt 04455455444 994.594.54.541) _|. D a) b) Which model (A or B) is the best predictive model? Explain the reasons by supporting with an appropriate measurement (calculation) from model assessment. (4 marks) Model A seems to have a problem. i) Name the problem faced by model A (1 mark) ii) Explain the cause of the problem (1 mark) iii) By using an appropriate measurement (calculation) support your answer in ii). (3 marks) iv) Name the node that data miner will be used in order to overcome the problem. (1 mark)