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Under Vending Machines

  • According to a survey of Japanese television program, there are coins under vending machines with a probability of about ten percent.


    The investigation was actually performed to 300 vending machines, and 2,724 yen was found in total.

    This means that an average of 9 yen was found under each vending machine.

    Also, about 5.5 million vending machines are installed in Japan.

    Therefore, there are about 50 million yen is sleeping under Japanese vending machines.

    By the way, I don’t know why, but there are many blog posts that says something like “about 51.5 million vending machines are installed in Japan, and there are about 460 million yen under them.”

    This is of course a lie, there aren’t such a large number (nearly half of Japan’s population) of vending machines.

    Original sentence