Probability single for loop

2021 2 8
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更新时间：2021 2 21
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Can anyone show me how to write a single for-loop to computer P[0<x<1] using pdf function for an exponential random variable x? Thanks

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Walter Roberson
Walter Roberson 2021-2-21
编辑：Walter Roberson 2021-2-21
Ran in:

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Ran in:
count = 0;
N = 10000;
for iteration = 1 : N
thisvalue = exp(rand());
if 0 < thisvalue & thisvalue < 1
count = count + 1;
end
end
P = count ./ N;
fprintf('Probability was %.3f%%\n', P*100);
Probability was 0.000%
The minimum value of rand() is 0, and exp(0) is 1, and 1 < 1 is false, so it makes sense that the probability is 0.

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