Mathematics, 10.10.2019 00:00 bnnn
Asurvey was done to determine the effect of students changing answers while taking a multiple-choice test on which there is only one correct answer for each question. some students erase their initial choice and replace it with another. it turned out that 65% of the changes were from incorrect answers to correct and that 29% were from correct to incorrect. what percent of changes were from incorrect to incorrect?
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