SOLUTION: Find the mean and standard deviation for 20 trials for a binomial probability distribution with a 40% chance of success on each trial?
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Question 542850: Find the mean and standard deviation for 20 trials for a binomial probability distribution with a 40% chance of success on each trial?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the mean and standard deviation for 20 trials for a binomial probability distribution with a 40% chance of success on each trial?
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mean = np = 20*0.4 = 8
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std = sqrt(npq) = sqrt(8*0.6) = 2.19
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Cheers,
Stan H.
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