Algebraic & Function ExpressionsACT math questions

    2017 December(A10) Math Question 42

    Algebraic & Function Expressions

    - More than One Event

    42. To become a contestant on a quiz show, a person must correctly order 4 rock stars by age, from youngest to oldest. The contestant knows which one is the oldest rock star, but randomly guesses at the order of the other 3 rock stars. What is the probability the contestant will get all 4 in the correct order?
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