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Math Help - Marginal and joint pdf

  1. #1
    lpd
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    Marginal and joint pdf

    Im a bit stuck on this one

    Let X have a uniform ditribution on the interval (0,1). Given X=x, let Y have a (conditional) uniform distribution on the interval (0,2x)

    a) Determine f(x,y), the joint pdf of X and Y.
    b) Find , the marginal pdf of Y

    thanks
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  2. #2
    Flow Master
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    Quote Originally Posted by lpd View Post
    Im a bit stuck on this one

    Let X have a uniform ditribution on the interval (0,1). Given X=x, let Y have a (conditional) uniform distribution on the interval (0,2x)

    a) Determine f(x,y), the joint pdf of X and Y.
    b) Find , the marginal pdf of Y

    thanks
    Read this: http://www.math.ntu.edu.tw/~hchen/te.../lecture23.pdf

    (Definition 4.2.3 tells you how to answer part (a)).

    See also Conditional Distributions

    If you need more help, please show what you've done and say where you get stuck.
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