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Unformatted text preview: same, the collection of the two random variables X1 and X2 is called a random sample of size 2 from the distribution. If the distribution of the independent random variables X1, X2, …,Xn is the same, the collection of the two random variables X1, X2, …,Xn is called a random sample of size n from the distribution. Ping Ma Lecture 19 Fall 2005 2 Example Let X1, X2 and X2 be a random sample from an exponential distribution with mean of 1. (1) What is the joint pdf of X1, X2 and X3, (2)P(0<X1<1, 2<X2<4, 3<X3<7) Ping Ma Lecture 19 Fall 2005 3 (3)Find the pdf of minXi (4)Find the pdf of maxXi Ping Ma Lecture 19 Fall 2005 4 Ping Ma Lecture 19 Fall 2005 5 ...
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 Fall '05
 TBA
 Statistics, Variance, Probability theory, probability density function

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