3)Historical data indicates that 70% of students living in the dorms use the bandwidth to stream Netflix. If a binomial process is assumed, and you sample 35 students in the hallway;

a. What is the probability that exactly 10 students answer that they stream Netflix in their dorms? b. What is the probability that 14 or less students answer that they stream Netflix in their dorms? c. What is the probability that more than 18 students will do?