Nice class exercise problem: If I have N students, each assigned a random number from 0001 to 9999 like the last 4 digits of an SSN, what is the probability that two students will have the same last 4 digits?
Art Dennis Roberts wrote: > this furthers my confidence that students can't tell diddly from SS > numbers that are posted ... and, even LESS diddly from the last 4 > it HAS happened on rare occasions ... two students in the same class > having the same last 4 SS digits ... and, when it does ... it is easy to > fix that problem... > . > . > ================================================================= > Instructions for joining and leaving this list, remarks about the > problem of INAPPROPRIATE MESSAGES, and archives are available at: > . http://jse.stat.ncsu.edu/ . > ================================================================= . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
