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88% of businessmen wear their tie so tight that it cuts off some blood flow to the brain.
88% of businessmen wear their tie so tight that it cuts off some blood flow to the brain. A study selects 12 businessmen and determines if their ties are so tight that it cuts off some blood flow to their brain. Find the probability that 10 or more of these businessmen wear their tie so tight that it cuts off some blood flow to the brain.