Conditional probability distribution

Jul 2015
577
14
United States
How did they arrive to 1/x?


I know that the conditional probability distribution is equal to: f(x,y)/ f_x(x) < where f_x(x) is the marginal distribution of X.
 

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HallsofIvy

MHF Helper
Apr 2005
20,249
7,909
The probability density function for a "uniform probability" is a constant. In particular, the probability density function for the uniform probability on an interval, (a, b), is one over the length of the interval, \(\displaystyle \frac{1}{b- a}\) Here, that interval is (0, x).
 
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