What statistical test should I use to determine whether a coin is loaded?
923495
You can use a z-test for a population proportion.  The test statistic is\n\n(phat-p)/sqrt(p(1-p)/n).\n\nHere phat = 34/66, p = 0.5 under the null hypothesis that the coin is fair, and n = 66.  Compare this test statistic to a standard normal to determine if you would reject the null or not.  I would not suspect hat you would reject though.\n\nIt is appropriate to use this test when the number of successes and the number of failures are greater than or equal to 5, which is the case here.
474169
I believe this is what you are looking for...\n\nhttp://www.tdcj.state.tx.us/vacancy/coinfo/test/info.htm
123406
Try Chi square testing, it starts out complicated but once you understand it, it is way faster than punnett squares! You can find all kinds of stuff about it on the internet, it's a statistical analysis.
532467
Yes, you place a pile of 6 coins on either side of the scales, which ever set of six is lighter you split into 2 sets of 3 coins and do the same, then with the lightest set of 3 coins, you weigh 2 of them, if they weigh the same, the coin you didn't weigh is the counterfeit.  Or which ever of the 2 coins was the lightest.
480570
take it to a coin dealer in your area they give you a appraisel
660080
Think of a coin slot or a hatchet mark
1168457
all coins are graded according to their condition, so not all are the same.  Take it to a coin dealer, and see what they offer. It could be sold for about 1/3 more than they offer, but you have to find a buyer.
741208
condition, mint, and/or rarity determine value.
187532
I recommend the Professional Coin Grading Service. They give good information on how coins are graded, how to work out which coin you have, as well as prices (updated daily). Good luck!
50506
That sounds like a question for a magic eight ball.\n\nOr a coin.
196079
Place a penny on a busy sidewalk (in a shopping mall) and notice how many people pass by it.  Then place a nickel and see if that number changes, and then a dime and then a quarter.  You should be able to chart a direct relation to the number of stop and pick a coin the more its value increases.  Thus you are observinb people's behavior when it comes to the time and effort to bend over and pick up a coin in relation to the relative worth of that coin.
172953
step 1: You put 3 coins on one side and 3 on the other. If one side is heavier than the other, take the three heavier coins and continue to step two. If the two sides weigh the same, then take the 3 coins you did not weigh and continue to step 2.\n\nStep 2: You now have 3 coins left. Put one coin on each side of the scale. If one side is heavier, then that is the heavy coin. If they are balanced, then the one you did not weigh is the heavy coin.
1160222
4 weighings. First weigh 6 and 6. If one is heavy you take the heavy side. 3 and 3. Pick the heavy side. 1 and 1, if equal it is the third.\n\nThe 4th weighing is one of the coins may be light and when you weigh 3 vs 3 they might be the same and you would have to pick the other pile of 6.
123383
Well there are coin books in bookstores and you can always go to a coin shop and have the folks there investigate it for you...
150015
on ebay......there's even a link to several sites that can give you estimates of what your coins will be worth based on their condition and mint/year/etc...
908294
most banks have a coin counting machine, at least the ones that I have worked at do.  You can just take the coin into your bank and tell them that you want to deposit it.  They will run the coin, and tell you how much you have a you fill out a deposit slip.  If your bank does not have a coin machine, most likely they will tell you that you have to get it counted first.  Usually if you are not a customer at the place that has a counting machine, they will charge you a small fee to count it.  Like 10% of your total.
572841
Check a coin book. It will tell you what its "worth", then, when you take it to a coin dealer, he will give you "half as much", (he has to make a profit)...\n\nSo I would put it on ebay, once you find out what its worth, if you want to sell it, and put a minumum bid on it. That way, you will 'KNOW' that your going to get what you really want...\n\nAmmendment, I am guessing its an indian head penny, and they arent worth too much, maybe a few bucks at the most...\n\n\nI wish you well...\n\nJesse