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\f6. (12 pts, 2 pts each) The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) Indicate the percentage or score called for by the problem. (b) Select the appropriate distribution curve (from below) that relates to the problem.a. (2 pts) What percentage of the persons who take the test score above 1400? (2 pts) Type the curve best representing your answer: b. (2 pts) What percentage of the persons who take the test score above 700? (2 pts) Type the curve best representing your answer. c. (2 pts) Below what score do the bottom 30.9% of the test-takers score? (2 pts) Type the curve best representing your