Find minimum score a student need to score better

Reference no: EM13132920

The Graduate Record Examinations are widely used to help predict the performance of applicants to graduate schools. The range of possible scores on a GRE is 200 to 900. The psychology department at a university finds that the scores of its applicants on the quantitative GRE are approximately normal with mean = 544 and standard deviation = 103. Use the table to find the relative frequency of applicants whose score X satisfies the following conditions: As part of your answer, draw a standard normal curve and shade the area under the curve that represented the answer to the question.

X < 500

500 < X < 700

What minimum score would a student need in order to score better than 77% of those taking the test?

Reference no: EM13132920

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