In a geometric distribution the height of each bar of the, Ask an Expert

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In a geometric distribution, the height of each bar of the histogram is a fixed frac~ tion r of the height of the bar to the left of it. Except for the first bar, is the distribution of the ages of the pennies approximately geometric?

Estimate the value of r for this distribution. What does r tell you about how pennies go out of circulation? Why the height of the first bar shorter than one is would expect in a geometric distribution?

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