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Mathematics 14 Online
OpenStudy (anonymous):

Please help, will give medal! A true-false test has 12 questions. What is the probability of guessing the correct answers to all of the questions? (1 point) 1 over 4096 1 over 144 one over twenty four 1over14

OpenStudy (anonymous):

well which ones can it NOT be?

OpenStudy (amistre64):

P(true) and P(true) and P(true) and .... and P(true); all 12 are correct seems to be multiplication to me

OpenStudy (anonymous):

its a fairly simplistic question in which you can rule out the ones that are too little or too big and have maybe one or two answers left

OpenStudy (amistre64):

yep

OpenStudy (anonymous):

Yeah, I just woke up but I see now, I think it is b, is that right?

OpenStudy (anonymous):

yes i believe so

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