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February 6th, 2017, 10:14 AM   #1
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derive variance using binomial random variable

Hi if it helps I have just proved that E(X) of a binomial random variable is
N*theta where R~Bin(N,theta)

However I am unsure how to start variance proof.
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February 6th, 2017, 10:30 AM   #2
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You should google a bit harder before asking
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February 6th, 2017, 11:07 AM   #3
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I've looked at lecture material and also google but I can't seem to find anything where variance of a binomial distribution is derived
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February 6th, 2017, 11:30 AM   #4
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Quote:
Originally Posted by Jaket1 View Post
I've looked at lecture material and also google but I can't seem to find anything where variance of a binomial distribution is derived
dude

i posted a link where it's derived....

click on the sentence "You should google a bit harder before asking"

it's a link
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