(c) Mathematics Scholastic Aptitude Test (SAT) scores are approximately normally dis- tributed with mean 500 and standar
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(c) Mathematics Scholastic Aptitude Test (SAT) scores are approximately normally dis- tributed with mean 500 and standar
(c) Mathematics Scholastic Aptitude Test (SAT) scores are approximately normally dis- tributed with mean 500 and standard deviation 100, so if X represents a mathematics SAT score, X ~ N(500, 100). What is the probability that an individual mathematics SAT score is 550 or more? N [6 marks)
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