Percentage chance that a pair of fair six-sided dice will roll two ones
Percentage chance that a randomly selected card from a deck of 52 will be a face card
Percentage of a hydrogen atom's mass that is electrons
Percentage of Americans that are in poverty, according to the Census Bureau
Percentage of Earth that is oceans
Percentage of people that have lived to be 130 years old
Percentage of real numbers that are irrational
Percentage of the Earth's volume that is the mantle
Percentage of the human population that lives in Asia
Percentage of the solar system's mass that is the sun
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