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A spyware is trying to break into a system by guessing its password. It does not give up until it tries 1 million different passwords. What is the probability that it will guess the password and break in if by rules, the password could consist of a) 6 different lower-case letters? Round to 5 decimal places. A b) 6 different letters, some may be upper-case, and it is case sensitive? Round to 5 decimal places. A c) any 6 letters, upper- or lower-case and it is case-sensitive? Round to 5 decimal places.

A spyware is trying to break into a system by guessing its password. It does not give up until it tries 1 million different passwords. What is the probability that it will guess the password and break in if by rules, the password could consist of a) 6 different lower-case letters? Round to 5 decimal places. A b) 6 different letters, some may be upper-case, and it is case sensitive? Round to 5 decimal places. A c) any 6 letters, upper- or lower-case and it is case-sensitive? Round to 5 decimal places.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Statistics and Probability For Computer Science 2.3 Combinatorics

A spyware is trying to break into a system by guessing its password. It does not give up until it tries 1 million different passwords. What is the probability that it will guess the password and break in if by rules, the password could consist of a) 6 different lower-case letters? Round to 5 decimal places. A/ b) 6 different letters, some may be upper-case, and it is case sensitive? Round to 5 decimal places. A/ c) any 6 letters, upper- or lower-case and it is case-sensitive? Round to 5 decimal places. A/ d) any 6 letters including letters and digits? Round to 5 decimal places. A/
Transcribed Image Text:A spyware is trying to break into a system by guessing its password. It does not give up until it tries 1 million different passwords. What is the probability that it will guess the password and break in if by rules, the password could consist of a) 6 different lower-case letters? Round to 5 decimal places. A/ b) 6 different letters, some may be upper-case, and it is case sensitive? Round to 5 decimal places. A/ c) any 6 letters, upper- or lower-case and it is case-sensitive? Round to 5 decimal places. A/ d) any 6 letters including letters and digits? Round to 5 decimal places. A/
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