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Unformatted text preview: scores are normally distributed. Approximately what percentage of people have a score Do not use a normal curve table; use the 50% - 34% - 14% figures for this problem a) Above 40 b) Above 45 c) Above 30 d) Above 35 e) Below 40 f) Below 45 g) Below 30 h) Below 35 4. On a standard measure of hearing ability, the mean is 300 and the SD is 20. Give the Z scores for persons who score: a) 340 b) 310 c) 260 Give the raw scores for the persons whose Z scores on this test are: d) 2.4 e) 1.5 f) 0 g) -4.5 5. Assuming a normal curve, a) If a person is in the top 10% of his or her country on mathematics ability, what is the lowest Z score this person could have? b) If the person is in the top 1%, what would be the lowest Z score this person could have?...
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- Winter '10