Maggie is applying to college. There are only two outcomes for each application. It is either accepted or rejected. Each application she sends has a 0.70 probability of being accepted. She applies to 10 colleges. What is the expected value for the random variable "number of acceptance? What is the variance? What is the probability that she wil be accepted to 3 colleges? What is the probability that 8 or more of the application will be accepted?