mahalabear9439
mahalabear9439
28.01.2021 • 
Mathematics

At a local college, 39 of the male students are smokers and 351 are non-smokers. Of the female students, 180 are smokers and 220 are non-smokers. A male student and a female student from the college are randomly selected for a survey. What is the probability that both are non-smokers?
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