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How To Be A Millionaire! (Three out of four times)

Can statistical inference beat the system?                     

The room is dark. A spotlight shines down on you. This is it, the million-dollar question. You have no idea what the answer is so as always, when in doubt, you’ve guessed ‘C’.

You use your 50-50 lifeline.
It’s not very effective. C and some other letter remain.
Eddie McGuire flashes a cheeky grin in your direction, ‘you’ve picked C… Lock it in?’

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