The number of four-letter passwords that can be created when no letter can be repeated. Determine whether
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The number of four-letter passwords that can be created when no letter can be repeated.
Determine whether the situation involves permutations, combinations, or neither. Explain your reasoning.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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