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Mathematics 16 Online
OpenStudy (anonymous):

Binomial distribution graph... please help?

OpenStudy (anonymous):

OpenStudy (phi):

they want you to find P, the probability of success. you can use the formula given in https://en.wikipedia.org/wiki/Binomial_distribution#Probability_mass_function

OpenStudy (phi):

the formula says \[\Pr(k)=\left(\begin{matrix}n \\ k\end{matrix}\right)p^n (1-p)^{n-k}\] they tell you to assume 2 trials, which means n=2 in the formula. I would solve using k=2 and use the graph to find Pr(2)= 0.09 (as near as I can judge) you now have enough info to find P

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