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A bar graph (histogram) entitled ‘Binomial distribution (n = 10, π = 0.5)’, displaying the graph of the probability function, with a horizontal (x) axis of outcome values (0 to 10) and a vertical (y) axis of probabilities (0.00 to 0.25 in intervals of 0.05). The vertical bars of the graph descend in the same way on both sides of a central peak of 0.25 at X = 5, such that the probabilities of pairs of values about X = 5 are equal (X = 4 and X = 6, X = 3 and X = 7, X = 2 and X = 8, X = 1 and X = 9, and X = 0 and X = 10).

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Last updated September 9, 2010

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