STA2001: Probability and Statistics I Computer-based Exercise 10
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STA2001: Probability and Statistics I
Computer-based Exercise 10
2020
The goal of this exercise is to verify Theorem 5.1-1 [Random Number Generator] using Example 3 in Lecture 19.
Problem.
· Generate 100 realizations of the random variable Y ~ U (0, 1), namely y1 , y2 , . . . , y100 .
Define another random variable X = F − 1 (Y) = - log(1 - Y). Compute realizations x1 = - log(1 - y1 ), x2 = - log(1 - y2 ), . . . , x100 = - log(1 - y100 ).
Plot
N (x)
G(x) = 100 , 0 < x < 10
where N (x) is the number of xi’s that are smaller than x. Compare it with the plot of
F (x) = 1 - e −z , 0 < x < 10.
· Generate 1000 realizations of Y ~ U (0, 1) and repeat the above process. What do you find?
2023-05-02