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The distribution of a test's scores for college-bound male seniors has a mean of 1529 and a standard deviation of 313. The distribution of a
The distribution of a test's scores for college-bound male seniors has a mean of
1529
and a standard deviation of
313.
The distribution of a test's scores for college-bound female seniors has a mean of
1490
and a standard deviation of
309.
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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