1.Drop all rows with missing value(s)

2.Normalize Last Transaction values to a range of 0 to 1

3.Replace the following values of Payment method 0-credit card 1-cheque 2-cash

4.You are required to create a prediction model to predict churn based on Gaussian model using the dataset that you have pre-processed until question 6. The training size is 80% and testing is 20%. Use split validation to validate your model.