Probability Histogram
This probability histogram shows the probabilities that 0, 1, 2, 3, or 4 heads will show up on four tosses of a fair coin.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Histogram Generator."
http://people.hofstra.edu/stefan_waner/stats/histogram.html
Hofstra University
CC BY.