Jessica Williams, manager of Kitchen Appliances for the Midtown Department Store, feels that her inventory levels of stoves have been running higher than necessary. Before revisiting the inventory policy for stoves, she records the number sold each day over a period of 25 days. Day Number of stoves sold 1 5 2 2 3 2 4 3 5 3 6 6 7 4 8 4 9 3 10 5 11 5 12 4 13 4 14 4 15 4 16 2 17 4 18 3 19 5 20 2 21 3 22 3 23 3 24 4 25 5 If we define a random variable X as the number of units sold per day, use these data to estimate the probability distribution and cumulative distribution for X in a tabular format, (this can be done by doing a quick pivot table, dragging "number unit solved" to the rows area, and count how many days are associated with each number of unit sold.) and calculate the Expectation of X