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Two organizations will be selected at random, one at a time and without replacement, from the 30 organizations. Approximately what is the probability that the age of the vice president of at least one of the two organizations will be at least 1 year greater than the age of the corresponding president?
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For how many of the organizations does the age of the president exceed the age of the corresponding vice president by 15 years?
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The two-sided stem-and-Ieaf plot shows the heights, in centimeters, of 20 players on Team A and 20 players on Team B. Each height is represented by a stem in the center and a leaf in the same row, according to the key. What is the median of the heights, in centimeters, of the 40 players combined?
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Issues associated with intermittent availability of wind and sunlight as forms of renewable energy are not ____________ as shown by recent advances in energy conversion and storage.
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Biologists traditionally thought that restricted gene flow was ____________ the development of adaptations in a population, but empirical evidence shows that adaptation can be maintained despite very high levels of gene flow.
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Confidence in the nation's finances, barely nailed together by international financial institutions a few weeks ago, is still such a (i)____________ structure that the slightest disturbance could set it (ii)____________.
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