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arthur is testing the effectiveness of a new acne medication. there are 100 people...
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Mathematics, 10.11.2019 08:31 etxchrissy
(09.02 mc)
arthur is testing the effectiveness of a new acne medication. there are 100 people with acne in the study. forty patients received the acne medication, and 60 other patients did not receive treatment. fifteen of the patients who received the medication reported clearer skin at the end of the study. twenty 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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