Classify the following as either discrete or continuous and identify the possible values. 1. The distance that a car travels in a day. 2. The sum of the numbers when two dice are rolled. A fair coin is tossed into the air three times. Let X be the number of tails that are thrown. 3. Construct the probability distribution of X. 4. What is the probability that at least two tails are thrown? 5. What is the mean of X? 6. What is the variance of X? 7. What is the standard deviation of X?