Concept explainers
(a)
To calculate the number of ways in which the computer can pick a winning number with three different digits.
(a)
Answer to Problem 8.35E
Explanation of Solution
Since order is important, we need to use permutation:
(b)
To calculate what is the probability that a computer picks a winning number with two or more matching digits.
(b)
Answer to Problem 8.35E
Explanation of Solution
The number of ways a computer picks a winning number with three matching digits is:
Thus number of ways that the computer then picks a winning number with two or more matching digits is:
The probability is then:
Chapter 8 Solutions
Statistics Through Applications
Additional Math Textbook Solutions
Statistics: The Art and Science of Learning from Data (4th Edition)
Statistics for Psychology
Essentials of Statistics, Books a la Carte Edition (5th Edition)
Introductory Statistics
Statistics for Business and Economics (13th Edition)
Intro Stats, Books a la Carte Edition (5th Edition)
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