1. Suppose Teacher decides to give candies to the whole class of 110 students after the midterm exam. He predicts that each student will take 0, 1, or 2 candies with probabilities 1/12, 2/3, and 1/4 respectively (sore throat, normal people, candy lovers respectively). What is the minimum number of candies he should bring to class so that he is 95% sure that there won’t be a shortage of candies?

2. There are 120 students sitting in Stanford café, and 120 meals to serve them. 60 of the meals are A while the other 60 are B. Every student, independently of the others, is in the mood for A with probability 0.6 and in the mood for B with probability 0.4. Find the probability that more than 10 of the students will not get the meal they are in the mood for

Answer rating: 100% (QA)

1 The number of candies required are Since there is a margin of 95 The require... View the full answer