Medical: Blood Type Blood type AB is found in only 3% of the population ( Textbook of Medical

Medical: Blood Type Blood type AB is found in only 3% of the population (Textbook of Medical Physiology, by A. Guyton, M.D.). If 250 people are chosen at random, what is the probability that

(a) 5 or more will have this blood type?

(b) between 5 and 10 will have this blood type?