## How to solve conditional probabilty problems using a contingency table in Statcrunch.

[embedyt] http://www.youtube.com/watch?v=dv5R6WqLzXQ[/embedyt]

## Example problem re: Goodness of Fit test:

You are given a six-faced die and asked to determine with 95% confidence if it is “fair.” What are the hypotheses? Answer: the null H0: the die is fair, p1 = p2 = … = p6 = 1/6; the alternative Ha: the die is not fair, at least one pi ≠ 1/6. What is the […]