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Math

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In a clinical trial, a drug used to relieve pain caused side effects in 7% of the patients who took it. For a
new trial, two patients were selected at random. Find the probability that neither of the patients had side
effects

  • Math - ,

    prob of side effect = .07
    prob of no side effect = .93

    prob(no side effect, no side effect) = (.93)^2 = .8649

  • Math - ,

    How did you find the probability of no side effect ?

  • Math - ,

    Either you have side effects or you don't have side effects
    prob is a number between 0 and 1
    so if prob(side effects) = .07
    prob (no side effects) = 1 - .07 = .93

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