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Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?
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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”?
Answers: 1
What is x times 2? is it 2x or 2x^2?...
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