SOLUTION: if the probability of a success on a single trial is .2, what is the probability of obtaining 3 successes in 10 trials if the number of successes is binomial?

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Question 682269: if the probability of a success on a single trial is .2, what is the probability of obtaining 3 successes in 10 trials if the number of successes is binomial?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
if the probability of a success on a single trial is .2, what is the probability of obtaining 3 successes in 10 trials if the number of successes is binomial?
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P(x = 3) = 10C3*0.2^3*0.8^7 = binompdf(10,0.2,3) = 0.2013
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Cheers,
Stan H.