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MATH

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A pollster wants to minimize the effect the order of the questions has on a person's response to a survey. How many different surveys are required to cover all possible arrangements if there are 5 questions on the survey?

  • MATH - ,

    Number of choices for the first question=5
    Number of remaining choices for the second question = 4
    ....
    Number of remaining choices for the last question = 1
    Number of possible arrangements = 5*4*...*1

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