SAT Verbal Scores Are Normally Distributed with a Mean of 430

question 19

Essay

SAT verbal scores are normally distributed with a mean of 430 and a standard deviation of 120 (based on data from the College Board ATP). Consider the following two problems, which appear at a glance to be very similar. Which one requires the application of the Central Limit Theorem, and in what way does the solution process differ between the two problems? (a)If a student is randomly selected, what is the probability that his or her score is above 500? (b)If a sample of 35 students is selected randomly, what is the probability that the sample mean will be above 500?

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