Tina works for a medical technology company in sales. She travels to doctors offices and offers them a suite of services related to patient billing and office management. She knows that 25% of the offices she visit will eventually purchase her product; assume that whether or not any office purchases her product is independent of the other offices. She is visiting 20 offices this week. What is the probability that exactly 5 of them will make a purchase? Give your answer (a number between 0 and 1) to 4 decimal places Answer: 0.2023 Consider the scenario in the previous question. About how many sales can Tina expect this week? Select one: O a. 1.94 O b. 3.75 O c. 5 O d. 15