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Back to 8.3 A Population Proportion

8.3 Exercise 8

Avg difficulty 2.5

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, exercise 8

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