A new drug being trialled gives 8% of the patients a violent reaction. If 200 patients trial the drug, find the probability that 12 patients have a violent reaction to the drug.

Question

anonymous · Answer

is the answer (200 12) x (0.08)^12 x (0.92)^188 ?????

anonymous · Answer

@satellite73

anonymous · Answer

yeah

anonymous · Answer

i mean "yes, your answer is right"

anonymous · Answer

that´s correct:$$\left(\begin{matrix}200 \ 12\end{matrix}\right)0.08^{12}·0.92^{188}$$ a binomial distribution

anonymous · Answer

you could also probably approximate this via the poisson distribution

anonymous · Answer

see how close you get

anonymous · Answer

ill try that and get back to you

anonymous · Answer

i am unfamiliar with the poisson distribution. could you please explain it to me?