Unit sales for Harper, Inc. over the last 10 days are as follows: 2, 2, 1, 0, 1, 1, 2, 3, 0, 1.
a. If you pick a day at random, how likely is it those two units were sold on that day?
b. If we define a random variable that counts the number of daily sales during this 10-day period, what are the possible values for the random variable?
c. Show the full probability distribution for the “daily sales” random variable in part b.