1. Based on the data in the Excel file Facebook Survey, develop a probability mass function and cumulative distribution function (both tabular and as charts) for the random variable Hours Online/Week. What is the probability that an individual in this survey is online on Facebook for two hours per week? At most four hours? Ten or more? 2. Using the data in the Excel file Room Inspection, construct the probability mass function and the cumulative distribution function (both tabular and as charts) for the random variable Number of Nonconforming Rooms. What is the probability that the number of nonconforming rooms is greater than five? Greater than three but less than or equal to five? Less than or equal to 3?