Question: It is a long-running joke that Britons have bad and missing teeth. However, Americans dental problems may be worse. In a study reported in the

It is a long-running joke that Britons have bad and missing teeth. However, Americans’ dental problems may be worse. In a study reported in the British Medical Journal a random sample of Americans was drawn and the number of missing teeth was recorded. Estimate with 95% confidence the mean number of missing teeth in American adults.

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