• Describe the characteristics of a standard normal distribution. • Find the probability of some range of z values in a standard normal distribution. • Find z scores corresponding to regions under the ...

This is a story about how Pascal's triangle, the binomial distribution, and the normal distribution are all connected.The Galton board and Pascal's triangleIn a famous device called a Galton board, ...

Forecasting for any small business involves guesswork. You know your business and its past performance, but you may not be comfortable predicting the future. Using Excel is a great way to perform what ...

Look at the graph of a normal distribution. The peak of the mountain is the highest. That height, in fact, is not ...

Students of statistics and researchers in search of a stats review will appreciate the Probability-Distributions app designed by Dr. Matthew Bognar at the University of Iowa. The app includes ...