(2) Let A be the 3 x 2 matrix with the following label male female Freshmen 512 376 410 Sophomore Junior 495 486 428 a. Suppose 2% of the male students and 1% of the female students tested positive for covid. So there are 14 students from each class tested positive. Use matrix multiplication to compute this answer. b. If 1% of freshmen, 2% of sophomore and 3% of junior tested posi- tive, use matrix multiplication to find the number of male and female students tested positive.

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