Problem#3 The MIT-BIT arrhythmia database contains 48 heart signal recordings with 22 and 26 from female and male patients, respectively. For a classification task, an analyst randomly selects 36 records for predictive model training and keeps the other 12 records for testing the model performance. (a) What is the expected number of female patient recordings selected for Raining? (b) What is the probability that at least three male patient recordings are selected for training? (c) 'What is the probability that the same number of male and female patients are used for testing the model performance