Mathematics, 08.03.2020 20:32 ayeelol1447
High school students often take more than one standardized test as a means to ensure their acceptance into college. At one high school all 900 seniors report which test they take to their guidance counselor. 250 seniors reported taking the SAT, 200 seniors reported taking the ACT, and 90 seniors reported taking both the ACT and SAT. If a senior is selected at random, what is the probability they took the ACT or the SAT?
A) 0.50
B) 0.40
C) 0.30
D) 0.20
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