Monthly Archives: October 2010

Why the limit of the sequence 1/n is 0?

We know that one of the basic facts in mathematical analysis is . My question is why, the sequence , which is for any , finally equals to 0 as ? Yes, that’s the definition of limits. What I will say here is … Continue reading

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Why the point probability of a continuous distribution is 0?

We all know that if a random variable is continuous distributed, the point probability of is 0. For example, , where means a uniform distribution with support in . Then for any . However, it is not that easy to understand why . The  confusion always comes from … Continue reading

Posted in probability, programming | Leave a comment