Scores on a standardized test are approximately normally distributed with a mean of 480 and a standard
Question:
a. What proportion of the scores are above 700?
b. What is the 25th percentile of the scores?
c. If someone's score is 600, what percentile is she on?
d. What proportion of the scores are between 420 and 520?
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a z 70048090 244 The area to the right of z 244 is 00073 b The zscore of the 2...View the full answer
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