Hypothesis testing - unfair deck of cards

The following demonstration may help students in their understanding of
 * 1) the development of a null hypothesis, Ho, and an alternative hypothesis, Ha
 * 2) collecting data as evidence against the null hypothesis
 * 3) the need to determine the strength (p-value) of the evidence (data)

Demonstration
Estimate for completion time: 20 minutes.

Materials needed:
 * Deck of cards created out of only the black cards from two matching decks
 * Table of binomial cumulative distribution for n=10, p=.5

Resources
The following resources were used for ideas and organization in the development of this activity:


 * Eckert, Stephen, "Teaching Hypothesis Testing With Playing Cards: A Demonstration". Journal of Statistics Education, v.2, n.1 (1994).
 * Smart, Joyce, "Unfair deck of cards", accessed 16 March 2010.