nightflower240 nightflower240
  • 14-11-2022
  • Mathematics
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At a local college, 198 of the male students are smokers and 792 are non-smokers. Of the female students, 330 are smokers and 770 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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