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Mathematics, 26.03.2021 14:10 jordendoctorwho

Drug Placebo Total Symptoms improved 270 120 390

No improvement 530 280 810

Total 800 400 1200

One patient is selected at random.

What is the probability that that the patient was administered the drug and had their symptoms show signs of improvement ?

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Drug Placebo Total Symptoms improved 270 120 390

No improvement 530 280 810

...
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