Mathematics, 05.07.2019 19:10 kay20081
The distribution of a test's scores for college-bound male seniors has a mean of 1523 and a standard deviation of 315. the distribution of a test's scores for college-bound female seniors has a mean of 1492 and a standard deviation of 300. one male and one female are randomly selected. assume their scores are independent. what is the average sum of their scores? what is the average difference of their scores?
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