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Some multiple choice (polytomous item) tests correct for chance responses. Sally received a 44 out of...

Some multiple choice (polytomous item) tests correct for chance responses. Sally received a 44 out of 50 on her multiple choice midterm. There were four possible responses per question. Calculate Sally’s corrected score.

45
42
43
46

Please explain to me how you got the answer so I can understand it. Thank you!

Math   Statistics-And-Probability   
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