Maryann is testing the effectiveness of a new acne medication. There are 100 people with acne in the study. Fifty-five patients received the acne medication, and 45 other patients did not receive treatment. Thirty of the patients who received the medication reported clearer skin at the end of the study. Twenty-two of the patients who did not receive medication reported clearer skin at the end of the study. What is the probability that a patient chosen at random from this study took the medication, given that they reported clearer skin?

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6 January, 11:19

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Isabelle French · Answer 1

Isabelle French 6 January, 11:42

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58% is the correct answer

Audrey Padilla · Answer 2

Audrey Padilla 6 January, 11:46

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58%use da formula I don't know