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The verbal SAT scores of the incoming home-state first years (X) and out of state first years (Y) are approximately normally distributed. In last academic year the mean verbal score for the home-state first years was 590 (with standard deviation of 80) and the mean score for out-of-state first years was 620 (with standard deviation of 60). 1. If two home-state first years are selected at random, find out the probability that their SAT scores will differ by more than 50 points?

Statistics and Probability, Statistics

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