Based on previous experience, there are 3 out of 10 visitors buying the product promoted at the exhibition and the probability of visitors buying this product follows the binomial probability distribution (p=0.3). If on the promotion day there are 8 visitors, determine:

a. Opportunity to get 5 visitors who buy the product. b. Chance of at most 2 visitors to buy the product. c. If the number of visitors 7 who bought the product, the promotion officer gets an additional bonus. What are the chances of the promotion officer

getting a bonus?

Write the answer in paper, then explain it