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A fair coin comes up 'heads' 50% of the time. If we toss such a coin eight times in a row, what is the probability

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A fair coin comes up 'heads' 50% of the time. If we toss such a coin eight times in a row, what is the probability that less than three of those tosses are 'heads? % Enter your answer as a percentage correctly rounded to one decimal place. You do not need to include the % sign

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