# Browse Classroom Capsules and Notes

You can filter the list below by selecting a subject category from the drop-down list below, for example by selecting 'One-Variable Calculus'. Then click the 'APPLY' button directly, or select a subcategory to further refine your results.

Displaying 21 - 30 of 70

A variation of the Hat Problem is discussed.

A Buffon Needle-type problem for a coin dropped onto a sectioned circle is analyzed.
The authors derive a symmetric formula for the hypergeometric distribution.
A patient takes a medical test but only wants to hear from her doctor if the news is good. In this article, the author analyzes the probabilities associated with various notification methods....
A generalization of the classical hat-check problem is introduced and solved.
The expected waiting time for $n$ successes and $m$ failures in Bernoulli trials is calculated in two different, but complementary, ways.

An old Dagwood cartoon introduces brief discussion of a simple problem involving random walks.

The author discusses an application of the Central Limit Theorem.

It is known that the probability that at least two persons in a group have the same birthday, when the birthday distribution is not uniform, is no less than the probability when the...

The author computes the probability of a variation of Buffon's needle problem with uniform angular spacing.