What is the probability that 700 people will be divided into fourteen classes?

Does the subject want to ask, "There are 700 people in each class 14, what is the probability of two people in one class?" 1/ 14。 The probability that two people are assigned to each class is equal. A has 65,438+04 kinds of assignments, B has 65,438+04 kinds of assignments, A and B have 65,438+04 * 65,438+04 = 65,438+094 kinds of assignments, both of which belong to the same class.