Hosted by The Math Forum

Problem of the Week 1030

A Tilted Average

_____________________________________________
MacPoW Home ||  Forum PoWs ||  Teachers' Place ||  Student Center ||  Search MacPoW
_____________________________________________

A tennis ball of diameter 1 has a disk inside it, sewn in along the equator. It is tossed around and lands in a random orientation. The disk projects down to an ellipse, with major axis of length 1. What is the expected length of the minor axis?

© Copyright 2005 Stan Wagon. Reproduced with permission.

[Privacy Policy] [Terms of Use]

_____________________________________
Home || The Math Library || Quick Reference || Search || Help 
_____________________________________

© 1994-2014 Drexel University. All rights reserved.
http://mathforum.org/
The Math Forum is a research and educational enterprise of the Drexel University School of Education.The Math Forum is a research and educational enterprise of the Drexel University School of Education.


18 March 2005