Dunder Mifflin Paper Company conducted a study of 200 customers. The survey found that 74% of those customers purchased items other than paper from Dunder Mifflin. The company then hosted a sales event attended by those 200 customers. Dwight is introducing himself to the attendees and has spoken to 20 of them.

Using the following question, use Excel to answer theses example questions.

1. What is the probability that all 20 customers Dwight has met buy more than just paper?
2. What is the probability that all 20 only buy paper?
3. What is the probability that the first person Dwight met buys more than just paper?
4. What is the probability that no more than 11 people Dwight meets buys more than just paper?