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Mathematics
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)

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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