The probability that an individual recovers from an illness in a one-week time period without treatment is 0.1.(adsbygoogle = window.adsbygoogle || []).push({});

Suppose that 20 independent individuals suffering from this illness are treated with a drug and 4 recover in a one-week time period. If the drug has no effect, what is the probability that 4 or more people recover in a one-week time period?

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# Question (re probability)

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