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Scores for a civil service exam are normally distributed with a mean of 75 and a standard deviation of 6.5. Between what two scores do the middle 50% of the data lie?
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Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides
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Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20
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Scores for a civil service exam are normally distributed with a mean of 75 and a standard deviation...
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