Delta-K,  Teaching Ideas,  Volume 26, Issue 2

Probability without Formulas and Equations

Journal of the Mathematics Council of the Alberta Teachers’ Association

Volume 26 Issue 2, June 1987

32 – 39

Probability without Formulas and Equations

Irvin K. Burbank

The girl by the Probability Machine, watching the balls drop and form an approximate normal distribution, may find it easy to agree with Laplace, who stated that “the theory of probability is nothing more than good sense confirmed by calculation,” It is also easy to agree with Laplace when one considers the everyday probability statements on the following page.