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Goal - estimate $\pi$. Experiment shows dropping a needle on lined paper to get an estimate of $\pi$. Links to various Math Standards are included.
Goal of problem - estimate $\pi$. A needle of length parameter $l$ is droped on hardwood floor with floorboards of width 1.
Approaches problem from a calculus viewpoint where the goal is to estimate the probability of a needle of fixed length to land on a line of equally spaced parallel lines.
Goal of problem - estimate $\pi$. Part of the Virtual Laboratories in Probability and Statistics.
This webpage provides a very detailed and high-quality description of the Cauchy Distribution.
This webpage includes links to applets which allow the user to calculate normal probabilities and z-scores. It also demonstrates how to use normal probability tables.
This is a chapter of the Probability and Statistics EBook describing the theory and applications of Normal Approximation to Poisson distribution.
Normal Approximation to Poisson is justified by the Central Limit Theorem.
This page includes the theory and applications of Negative Binomial Distribution, and the conditions for validity of Normal approximation to Negative Binomial.
Normal approximation to the Negative Binomial is valid when the number of required successes, $s$, is large, and the probability of success, $p$, is neither very small nor very large.