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Mathematics 8 Online
OpenStudy (anonymous):

probability / statistics question? x3 say that you were taking a multiple choice test and the teacher says you only have 30 seconds left. however, you have 5 questions left that you haven't answered. you have no time to even look at them, so you have to guess. would the chances of you getting a better score be higher if you a. filled in every answer as choice B or b. picked a random answer for each question? or would the chances be equal?

OpenStudy (jingle535):

From what I have learned statistically the answer "C" comes up the most so I would fill them all in with C if you are going to go for consistency

OpenStudy (jingle535):

Also, it makes more sense to not get yourself in these situations, give yourself at least a few seconds so you can eliminate obviously wrong answers

OpenStudy (anonymous):

haha yeah. i really do need to be better with pacing myself. >__< i'm just wondering though, if theoretically you had to answer a set of questions where the answers were evenly distributed (for example, 2 answers were choice A, 2 choice B, and so on) would there be a greater likelihood of getting the answers correct if you filled in the same choice for each one, or guessed randomly?

OpenStudy (anonymous):

i've been thinking about it and i think you could say that by guessing randomly there's a chance you would get none of them correct (by somehow guessing incorrectly on each one) while guessing the same answer each time would get you around 25% right.

OpenStudy (anonymous):

i would say it makes no difference

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