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In the National Board Examinations, the scores are scaled so that among all medical students taking the exam nationwide, the scores are approximately normally distributed

In the National Board Examinations, the scores are scaled so that among all medical students taking the exam nationwide, the scores are approximately normally distributed with a mean of 500 and a standard deviation of 100. A. What percentage of the students will have scores exceeding 700? B. What is the probability that a randomly selected student will have a score greater than 700? C. What percentage of students score between 400 and 700? D. What score is exceeded by 10 percent of the students? ("Curving" a test) E. What is the probability that a randomly selected individual scored less than 400?

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