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Q: How come we got rid of the tag 'coin' but not 'dice', 'poker', etc?

BCLCSounds like the tags dice, poker and coin just fall under probability (or i guess 'permutations' or 'combinations'). I recall we got rid of coin some years ago. eg this Expected Value : Poker i think dice and poker should be done away with for same reason as coin

discussion tagging
 
Martin Sleziak
Martin Sleziak
9:45 AM
Posts where the tag coin was added removed (including the editors): data.stackexchange.com/math/query/1105163/… data.stackexchange.com/math/query/1038474/…
The above queries did not return anything. Although the tag coin existed at least on one question, but that question was deleted and the tag was removed before the deletion: math.stackexchange.com/posts/1873620/revisions
Jul 28 '16 at 8:43, by Martin Sleziak
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Q: Checking if a coin is fair

AJ222I want to check if a coin is fair (lands 50% of the times on each side). I flip that coin multiple times and count the number of times it fell on heads and the number of times it fell on tails and keep a track of them. How many flips do I need in order to be 99% confident that the coin is fair ...

probability probability-theory statistics coin
See also the discussion in this chatroom at the time: chat.stackexchange.com/transcript/3740/2016/7/28
If you search for "tagged/coin" or coin-flipping in this room, you might find some related discussions.
I have bookmarked what I was able to find around the time when the coin-flipping was created and removed: chat.stackexchange.com/rooms/3740/conversation/…

Removal of (coin-flipping)

Dec 2 '15 at 20:12, 2 days total – 59 messages, 4 users, 2 stars

Bookmarked 1 min ago by Martin Sleziak

I was only able to find a single questions which was tagged (coin) and that question is now deleted: math.stackexchange.com/posts/1873620/revisions Do you have some other examples of posts which had the tag (coin)? Maybe you have the tag (coin-flipping) in mind which was mentioned here: User adding irrelevant tags. (And it was created and removed around the time of that post.) I left a few comments related to (coin) and (coin-flipping) in the Tagging chatroom. — Martin Sleziak 1 min ago
23
Q: User adding irrelevant tags

Ben ShellerThere have been a couple days now when at around the same time, a certain user has been going through old posts marked with the 'probability' tag and editing them to add irrelevant tags, most commonly changing 'probability' to 'probability-theory' when it is not necessary and adding the tag 'coin...

discussion editing flagging suggested-edits specific-user
 

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