A graduate student is registering for 3 courses in one semes…
A graduate student is registering for 3 courses in one semester. X=the number of courses that are full at the time of registration. The random variable X has a probability distribution as follows x 0 1 2 3 p(x) 0.45 0.25 0.20 0.10 The probability that more than two of the classes are full at the time of registration P(X >2) is equal to