It is well known that 30% of college students said that they spend too much time on

Facebook. A random sample of 6 students are selected.

1. (10 pts) Find the probability that exactly 3 of these 6 students will say that they

spend too much time on Facebook.

2. (10 pts) Find the probability that at most 2 of these 6 students will say that they

spend too much time on Facebook.

3. (5 pts) Find the probability that at one to 3 of these 6 students will say that they

spend too much time on Facebook.

4. (5 pts) Find the probability that at most 2 of these 6 students will say that they

don't spend too much time on Facebook.