A technical salesperson wants to get a bonus this year something earned for those that are able to sell 100 units. They have sold 35 so far and know that, for the random sales call, they have a 30% chance of completing a sale. Assume each client only buys at most one unit.) (a) Considering the total number of calls required in the remainder of the year to attain the bonus. what type of distribution best describes this variable? (b) How many calls should the salesperson expect to make to earn the bonus? (c) What is the probability that the bonus is earned after exactly 150 calls?