A Social Security number consists of nine digits in a particular order, and repetition of digits is allowed. After seeing the last four digits printed on a receipt, if you randomly select the other digits, what is the probability of getting the correct Social Security number of the person who was given the receipt? ... The probability is (Type an integer or a simplified fraction.)
A Social Security number consists of nine digits in a particular order, and repetition of digits is allowed. After seeing the last four digits printed on a receipt, if you randomly select the other digits, what is the probability of getting the correct Social Security number of the person who was given the receipt? ... The probability is (Type an integer or a simplified fraction.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Hi, I already saw someone explain this (and got the right answer)... but the way someone worked it out was 10^5 at some point to get the desired answer... (and it was correct: 1/100000)
However, I need more of an explanation of WHY it's 10^5 and not 9^5, since it's 9 digits of a social security number rather than 10. Thanks! :)
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