Monthly Archives: May 2008

More Bayes’ magic

Statistics can be quite bewildering. Consider the following problem:
It is given that if a person having a disease takes a diagnostic test for the disease, the test returns a positive result 99% of the time, or with a probability of 0.99. Now, for some person picked at random, if the test returns a positive result, [...]

Posted in Probability & Statistics | Tagged | 3 Comments

Probabilities, huh!

sanket asked a very interesting question in the comments to my previous post on Monty Hall Problem:
Assume that boys and girls are equally likely to be born. Let us say that a family has two children. Given that one of them is a boy, what is the probability that the other one is a boy [...]

Posted in Probability & Statistics | Tagged , | 2 Comments
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