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A-level probability question, to bring joy to children at Christmas:… - Sally's Journal — LiveJournal
November 19th, 2013
12:01 pm


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(33 comments | Leave a comment)

Date:November 21st, 2013 11:13 am (UTC)
Toys don't come in boxes of one type, because otherwise a smaller shop which ordered only one or two boxes wouldn't have a good assortment. So opening boxes one at a time actually gives you a fairly good random assortment, depending on whether are are shortpacked.

See: http://tfwiki.net/wiki/Shortpacking

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