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OCR S1 8th June

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    How did you find the exam? Anyone got any answers?

    I found the paper to be pretty good; only q I'm unsure about was the ABBA question.

    I got 3/35 in the exam, but at home I worked out that it might be 12/35. Anybody else get any of these results?

    EDIT: Starting to doubt my answers to the ABBA question...

    I got 1/420.
    Probability of ABBA is 3/7*2/6*2/5*1/4 = 1/70
    Probability of them being in that order is 2/4*2/3*1/2*1/1=1/6
    Not sure if this is right...
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Updated: June 8, 2016
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