OpenStax, Statistics §8.3 A Population Proportion · Example 4 · Statistics · Confidence intervals
A Population Proportion · Example 4
A group of researchers recently conducted a study analyzing the privacy management habits of teen internet users. In a group of 50 teens, 13 reported having more than 500 friends on a social media site. Use the plus four method to find a 90 percent confidence interval for the true proportion of teens who would report having more than 500 online friends.
OpenStax, Statistics · §8.3 A Population Proportion · Example 4
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