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In a random sample of 40 people with Facebook accounts, the average person had 358.40 friends (s=181.80). These sample data were used to construct a

In a random sample of 40 people with Facebook accounts, the average person had 358.40 friends (s=181.80). These sample data were used to construct a 95% confidence interval for of [300.26, 416.54]. What is the correct interpretation of this confidence interval?

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In this sample, 95% of Facebook accounts have between 300.26 and 416.54 friends.

In the population, 95% of Facebook accounts have between 300.26 and 416.54 friends.

We are 95% confident that the mean number of friends in the population of all Facebook accounts is between 300.26 and 416.54 friends.

We are 95% confident that the mean number of friends in this sample of Facebook accounts is between 300.26 and 416.54 friends.

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