At a local college,147 of the male students are smokers and 343 are non-smokers. Of the female students,180 are smokers and 420 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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1. well, we are doing two independent studies, one on males and the other on females

p male non s = 343/490
p female non s = 420/600
so
(343/490)(420/600)

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2. Thank you Damon

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