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A recent study has shown that 83% of teens and 72% of adults used social media daily. A survey was conducted to compare the proportion
A recent study has shown that 83% of teens and 72% of adults used social media daily. A survey was conducted to compare the proportion of adults and teens who use social networking sites daily. The first survey took an SRS of 950 US teenagers (ages 13-19). The second survey took an SRS of 2975 US adults. What is the probability that the differences in the proportions of the random samples is more than 15%?
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