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Choose all of the expressions that are equal to −9. |−9| −(−9) −|−9| −|9| the distance from zero to nine the opposite of nine
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Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
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Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr
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Choose all of the expressions that are equal to −9. |−9| −(−9) −|−9| −|9| the distance from zero to...
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