a) If we know that a password for this system consists of a string of two words from a dictionary containing 243 words, what is the probability of guessing it on the first try? b) If we know that a password for this system consists of some arrangement of five "a"s four "b"s and three "c"s, what is the probability of guessing it on the first try?
a) If we know that a password for this system consists of a string of two words from a dictionary containing 243 words, what is the probability of guessing it on the first try? b) If we know that a password for this system consists of some arrangement of five "a"s four "b"s and three "c"s, what is the probability of guessing it on the first try?
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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I am unble to understand and get the answer to part B.
A system requires that all user passwords consist of only lower case characters.
a) If we know that a password for this system consists of a string of two words from a dictionary containing 243 words, what is the probability of guessing it on the first try?
b) If we know that a password for this system consists of some arrangement of five "a"s four "b"s and three "c"s, what is the probability of guessing it on the first try?
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