You want to make five-letter codes that use the letters A, F, E, R, and M without repeating any letter. What is the probability that a randomly chosen code starts with A?
(1) Answers
number of all possibilities - [latex]5!=120[/latex] number of codes starting with A - [latex]4!=24[/latex] the probability is [latex]\frac{24}{120}=\frac{1}{5}[/latex]
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