CAS MAS-I modern actuarial statistics guide exam help

CAS Exam MAS-I, Modern Actuarial Statistics I, tests probability models, mathematical statistics, and extended linear models for actuarial applications. The current CAS outline lists a 4.5-hour appointment: 4 hours of exam duration, a 15-minute scheduled break, and 15 minutes for tutorial, confidentiality agreement, and end-of-exam survey. Domain weights are Probability Models (Stochastic Processes and Survival Models) at 20-30%, Statistics at 20-30%, and Extended Linear Models at 45-55%. Probability tasks include Poisson processes, expected values, variances, limited expected value, survival and hazard calculations, joint life calculations, and simple whole life or annuity problems. Statistics tasks include estimation, sufficient statistics, hypothesis testing, sampling distributions, claim frequency and severity, aggregate claims, order statistics, MLE, censoring, truncation, and missing data. Extended linear model tasks include model selection, link functions and distributions, model evaluation, software output, predictors and interactions, controls and offsets, AIC, BIC, deviance, R-squared, diagnostic plots, and exploratory plots. CAS computer-based exams are delivered through Pearson VUE; candidates should confirm CAS registration, authorization to test, exam window, Pearson VUE appointment, approved calculator rules, scratch-work policy, item types, break timing, and CAS examination discipline rules.