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OpenStudy (anonymous):
if you answered the first and the third question correctly and guessed on the remaining questions, what is the probability that you have a perfet score? (in exercises 6-8 a six question true-false exam was given)
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OpenStudy (anonymous):
how many questions did you guess on ... what was your chance of getting it right by guessing ... multiply all the probabilities together ...
OpenStudy (anonymous):
like multiply 6 x 8 x1 x3 ????
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