Test: GRE Math

9.

You see someone correctly guess a card from a 52 card deck and you want to out-do him in an equally "odds-defying" feat. How many sequential coin flips would you have to predict to do something "less-likely" than guessing the correct card from a 52 card deck?

\dpi{100} \small 8

\dpi{100} \small 5

\dpi{100} \small 6

\dpi{100} \small 4

\dpi{100} \small 10

9/12 questions

66%

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