Graduate Record Exam (GRE) scores for the psychology exam have a mean of 592 and a standard deviation of 101.
a. What proportion of the test takers would have scores of 650 or above?
b. What proportion of the test takers would have scores of 700 or above?
c. What proportion of the test takers would have scores between 650 and 700?
d. If 10,000 took the exam, how many would be expected to have scores of 750 or above?
e. In working these problems, you began with an assumption about the distribution of GRE - psychology scores. What is that assumption?

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The Answer of Graduate Record Exam (GRE) scores for the psychology exam have a mean of 592 and a standard deviation of 101.
a. What proportion of the test takers would have scores of 650 or above?
b. What proportion of the test takers would have scores of 700 or above?
c. What proportion of the test takers would have scores between 650 and 700?
d. If 10,000 took the exam, how many would be expected to have scores of 750 or above?
e. In working these problems, you began with an assumption about the distribution of GRE - psychology scores. What is that assumption?

Graduate Record Exam (GRE) Scores for the Psychology Exam Have