Probability question from the AMC->8 contest

Probability 1 Minute

Keiko tosses one penny and Ephraim tosses two pennies. The probability that Ephraim gets the same number of heads as Keiko is…

The solution is described in the video below.

Unknown's avatar

Published by John Quintanilla

I'm a Professor of Mathematics and a University Distinguished Teaching Professor at the University of North Texas. For eight years, I was co-director of Teach North Texas, UNT's program for preparing secondary teachers of mathematics and science.

Published

Leave a comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.