Question: =+An individuals score on the SAT exam fluctuates between test administrations. Suppose that a particular students true ability is reflected by an SAT score of

=+An individual’s score on the SAT exam fluctuates between test administrations. Suppose that a particular student’s “true ability” is reflected by an SAT score of 1200 but, because of chance fluctuations, the test score on any particular administration of the exam can be considered a random variable that has a distribution that is approximately normal with mean 1200 and standard deviation

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