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Two bar graphs (histograms) displayed side by side, with the left graph entitled ‘Binomial distribution (n = 4, π = 0.3)’ and the right graph ‘Binomial distribution (n = 4, π = 0.6)’. Each graph displays the distribution of the probability function, with a horizontal (x) axis of outcome values (0, 1, 2, 3, or 4) and a vertical (y) axis of probabilities (0.0, 0.1, 0.2, 0.3, 0.4). The left graph, with π = 0.3, is skewed right with a peak of 0.4 (40%) at X = 1, and then rapidly goes down to a minimum value at X = 4. The right graph, with π = 0.6, is slightly skewed left with twin peaks of approximately 0.35 (35%) at X = 2 and X = 3, and a minimum value at X = 0.

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Last updated September 9, 2010

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