Mathematics, 03.03.2020 06:02, miguelc2145

A survey 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 51% of the changes were from incorrect answers to correct and that 27% were from correct to incorrect. What percent of changes were from incorrect to incorrect?

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A survey was done to determine the effect of students changing answers while taking a multiple-choic...