This applet allows users to drag sliders to change the number of bins (n) on a Galton board with probability of success p = 0.5. The applet animates the creation of a binomial distribution. This ...

As with all probability distributions, the Normal Distribution describes how the values of your data are distributed.

For example, the row variable might be a treatment ... in a similar manner for the column 2 risks and risk difference. Using the normal approximation to the binomial distribution, PROC FREQ constructs ...