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I do not claim to be a scientographist

Don’t You Just Hate Probability?

by Eric Limer | 11:30 am, October 28th, 2011

Probability was my least favorite math unit, and this is why. Because even the questions that they assured me “make sense” look like this. It’s multiple choice so, obviously, the answer is 25%, but that’s there twice, so obviously the answer is 50%, but that’s only 25% of the answers. So, obviously, the answer is: There is no answer. If the answer is 25%, then the answer is 50%, in which case the answer is 25%. Lather, rinse, repeat, crash to blue screen.

Welcome to the real world. Everything you thought you knew is wrong. Everything you thought you didn’t know doesn’t exist. You are a banana. The answer is Jenga. Word salad is for breakfast. Just accept it and move on.

(via reddit)

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  • Anonymous

    Fun fact: I was sick the morning of my Probability final and was in and out of the bathroom. I actually fell asleep on the toilet in the middle of the test. I think I only passed because the teacher was really nice.

  • Alexander Groberman

    The correct answer in this case would be 0%, so you would be wise not to answer. But in order to REALLY screw things up, change answer C to 0% and then all bets are off.

  • http://www.facebook.com/MergenManiac Mergen Gerelbat

    33.3333333%

  • Pebraham

    A will be right 50% of the time
    B will be right 25% of the time
    C will be right 25% of the time
    D will be right 50% of the time
    On avergae you will be right (50+25+25+50) /4 = 150/4 =37.5^% of the time

  • http://www.facebook.com/james.reatherford James Reatherford

    I like that.

    Assuming they all have an equal probability of being right (I know they don’t) it would have been ~37% by my math.

    But if you had put ~37% as C, then, C would seem to be correct…but since they don’t all have an equal probability of being right, then C would be wrong, thus making the probability 0 again….

    …my brain hurts….


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