Question: You are developing a classification model for the telecom company to mitigate the losses from customer churn. As observed in the confusion matrix, only a

You are developing a classification model for the telecom company to mitigate the losses from customer churn. As observed in the confusion matrix, only a very small portion of customers would churn. Which of the following strategies could you consider in training the model? Select oe or more:a.Upsampling on the positive classb.Class reweightingc.Stratified random samplingd.Downsampling on the negative class

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