What is the probability of rolling an even number on a fair die?
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Math question: In a set of data, the median is the number that separates the upper and lower half. If the median is 15, then what is the least and greatest possible value for another element in the data set?
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What is the absolute maximum value of the quadratic function f(x) = -2x^2 + 5x + 1 in the interval [-1, 3]?