Question

Every year a freelance artist draws a large number of paintings and submits them for

an art competition. Every paiting has probability 0. 952 of being judged excellent.


(a) Using suitable approximations, determine the probability that 110 randomly se-

lected paintings include more than 100 excellent paintings.


(b) Find the probability that 80 randomly selected paintings include more than 78

excellent paintings.


this is the first time i met this question. Please help me