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  1. #1
    Anonymous Guest

    How to understand...

    Hi all,

    Please help me to understand the bellow sentence!

    "Each time the students have a 1 in 5 chance of guessing correctly."

    What does 'a 1 in 5 change' mean?

    Thanks a lot!


  2. #2
    Join Date
    Jun 2004
    Post Thanks / Like
    This means that there probably are 5 answers (eg. in a multiple choice test), and only one is correct. So if you pick an anwser haphazardly, you will have a 1 in 5 chance to be correct.


  3. #3
    Tdol is offline Editor,
    • Member Info
      • Member Type:
      • English Teacher
      • Native Language:
      • British English
      • Home Country:
      • UK
      • Current Location:
      • Japan
    Join Date
    Nov 2002
    Post Thanks / Like
    If there are 5 possible answers, then a student can guess and has a 20% chance of getting the correct answer. This is important because it caffects the accuracy of a test.

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