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Thread: Normal Distribution times constant

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    Normal Distribution times constant




    I can't seem to find anything about this on the web. If I have a random variable distributed Normally:

    x ~ Normal(mean,variance)

    is the distribution of the random variable still normal if I multiply it by a constant, and if so, how does it affect the mean and variance?

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    Re: Normal Distribution times constant

    I don't have emotions and sometimes that makes me very sad.

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    Re: Normal Distribution times constant

    Thank you Dason, that was exactly what I needed.

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    Re: Normal Distribution times constant

    Regarding what the mean E(.), and variance, var(.), can you work out these??
    E(aX)=??
    Var(aX)=??
    Oh Thou Perelman! Poincare's was for you and Riemann's is for me.

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    Re: Normal Distribution times constant


    Just wanted to update the link because the wikipedia article has since changed:

    http://en.wikipedia.org/w/index.php?...#Miscellaneous

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