The total number of 4-digit security codes containing fourdifferent digits is 1, IP4 or 5040. ... birth year has no repeated digits, the probability the security code will be the year of your birth is one chance in 5040 or 1.9841 X 10 ... 70 in A Mathematical Mosaic: Patterns aamp; Problem Solving ( 1996) by Ravi Vakil. .... The theoretical probability of an event is the Copyright Ac 2000 by Brendan Kelly Publishing Inc.
|Title||:||Statistics & Probability with the TI-89|
|Author||:||B. (Brendan) Kelly|
|Publisher||:||Brendan Kelly Publishing Inc. - 1999-01|