SOLUTION: Let W be a binomial random variable with n=26 and p=0.4 . Find the mean and standard deviation of W . μ W = σ W =

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Question 1034847: Let W be a binomial random variable with n=26 and p=0.4 . Find the mean and standard deviation of W .
μ W =
σ W =

Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
mu%5BW%5D+=+np+=+26%2A0.4+=+10.4
sigma%5BW%5D+=+sqrt%28npq%29+=+sqrt%2826%2A0.4%2A0.6%29+=+2.5, to two significant figures.