The MIT-BIT anhyl'hmja database contains 4% heart signal recordings with 22 and so 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 mode] perfonnanee. a. What is the expected number of female patient recordings selected for training? 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 temng the model performance