Context: I’m always told on big tests that if I run out of time I should bubble all A’s or something because it’s a better chance I get it right than if I sporadically bubble answers. Why isn’t it just a consistent 25% chance?
In: 0
It only sort of works if you do it for the whole test, not just one or two answers.
If you choose A on all questions it’s a guarantee that it will be the correct answer for those that have A as a solution (obviously). If there are roughly the same amount of A, B, C and D answers you’ll get around 25% of the questions.
If you go completely random you can potentially get all of them correct (but it’s very improbable) you can miss all of them, or anywhere in between.
Going for A all of them is a guaranteed ~25%.
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