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In a recent article it was claimed that 96% of Americans under the age of 50 spent more than three hours a day on Facebook.

In a recent article it was claimed that "96% of Americans under the age of 50" spent more than three hours a day on Facebook. To test this hypothesis, a survey of 418 people under the age of 50 were taken and it was found that 401 used Facebook for more than three hours a day. Test the hypothesis at the 5% level that the claim of 96% is correct.

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