Compute the exact probability that at least two students in a class of 100 share the same ID number.

sume that grades on a statistics exam are posted on eCampus according an ID mber corresponding to the last 4 digits of one's social security number ranging from 00 to 9999 (I did this many years ago, but now this would be illegal). For this blem, assume that each sequence of 4 digits has the same probability