Q5. [8 pts]. Probability and Probability model Choose an adult age 18 or over in the Canada at random and ask, "How many cups of coffee do you drink on average per day?" Call the response X for short. Based on a large sample survey, a probability model for the answer you will get is given in the table. X=# cups of coffee Probability 0 0.36 1 0.26 2 0.19 3 4 or more 0.11 0.08 (a) [2 pts] Is this a valid finite probability model? Justify your answer. (b) [1 pt] Describe the event {X