Determining the probability of sat scores

Reference no: EM1312355

Q1) Verbal SAT scores of incoming home-state first years (X) and out of state first years (Y) are about normally distributed. In last academic year mean verbal score for home-state first years was 590 (with standard deviation of 80) and mean score for out-of-state first years was 620 (with standard deviation of 60). 1. If 2 home-state 1st years are chosen at random, determine the probability that their SAT scores will differ by more than 50 points?

Reference no: EM1312355

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