SOLUTION: you perform a binomial experiment that consists of 20 trials with a probability of 27% success on each trial. what is the probability of exactly three successful outcomes?

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Question 866038: you perform a binomial experiment that consists of 20 trials with a probability of 27% success on each trial. what is the probability of exactly three successful outcomes?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

P(x = 3) = binompdf(20, .27, 3)= .1065  0r 10.65%

or

Using P+%28x%29=+highlight_green%28nCx%29%28p%5Ex%29%28q%29%5E%28n-x%29+ 

p and q are the probabilities of success and failure respectively. 

In this case p= .27, q = .73 , n = 20

nCx+=+%28n%21%29%2Fx%21%28n+-+x%29%21%29 

P+%283%29=+highlight_green%2820C3%29%28.27%5E3%29%28.73%29%5E%2817%29+