Did you solve it? The zombie puzzle – video
by Alex Bellos, Ian Anderson, Tash Reith-Banks and Pa from on (#RNR5)
Did Alex Bellos's Halloween problem scare the living daylights out of you, or did you slay the beast? What are the chances that the UK's zombie outbreak will infect two people or less? What are the chances it will it just die? On average, how many humans will each zombie infect? And what is really spooky about the answers?
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