5. (04.02 HC) A person with type AB blood can donate red blood cells to people with the same blood type. About 12% of the US population has type AB blood. University High held a blood drive where 50 stu donated blood. Part A: What is the probability that exactly 8 of the students had type AB blood? (5 points) Part B: What is the probability that at least 8 of the students had type AB blood? (5 points) (10 points) ​