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<p>[QUOTE="coloradobryan, post: 2121394, member: 74172"]You are right, for one person to sample 1% of the total mintage of classic Jefferson nickels, they would have to look at 14 million rolls. There was a study done by, I believe, the treasury department on coin attrition, but of course they would be in a better position to do so than an individual. Maybe I should rethink this thread and repost with a clearer question. This is more theoretical than practical. There is no way to nail down the exact number of an issue still outstanding in circulation, and even if there was, you can only figure out the probability of finding x amount of any given coin in x size sample. I'm looking at more along the lines of what are the factors that cause the loss of x coin from circulation, not so much how many are left of any given coin in circulation. Maybe this is a bit clearer.[/QUOTE]</p><p><br /></p>
[QUOTE="coloradobryan, post: 2121394, member: 74172"]You are right, for one person to sample 1% of the total mintage of classic Jefferson nickels, they would have to look at 14 million rolls. There was a study done by, I believe, the treasury department on coin attrition, but of course they would be in a better position to do so than an individual. Maybe I should rethink this thread and repost with a clearer question. This is more theoretical than practical. There is no way to nail down the exact number of an issue still outstanding in circulation, and even if there was, you can only figure out the probability of finding x amount of any given coin in x size sample. I'm looking at more along the lines of what are the factors that cause the loss of x coin from circulation, not so much how many are left of any given coin in circulation. Maybe this is a bit clearer.[/QUOTE]
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