Mathematics, 03.02.2021 04:30 liz77717
a pharmaceutical lab claims that a drug it produces causes serious side effects in 20 out of every 1000 people on average. To check this claim, a hospital administers the drug to 15 randomly selected patients and finds that 3 suffer serious side effects. If the lab's claims are correct, what is the probability of the hospital obtaining the results it did?
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