A baker is deciding how many batches of muffins to make to sell in his bakery. He wants to make enough to sell everyone, one muffin and no less. Through observation, the baker has established a probability distribution. Required:
a. Define the random variable x.
b. What is the probability the baker will sell exactly one batch?
c. What is the probability the baker will sell more than one batch?
d. On average, how many batches should the baker make?