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If a coin that comes up heads with probability is tossed times, the number of heads observed follows a binomial probability distribution. Move the sliders and watch how the distribution changes. The mean of the distribution—the number of heads one "expects" to observe—is marked with an orange circle on the horizontal axis.
Contributed by: Chris Boucher (March 2011)
Open content licensed under CC BY-NC-SA
Wolfram Demonstrations Project
Published: March 7 2011