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Question- Researchers drew a random sample of youth in a community and reported an odds ratio of 3.0 for marijuana use among those who reported that they liked bluegrass music as compared to those who did not. If the odds for marijuana use among those who reported that they like bluegrass music are 1.5.
Part 1- What are the odds of marijuana use among those who did not report that they like bluegrass music?
I need assist to clarify the odds of marijuana.