The average number of cavities that thirty-year-old Americans have had in their lifetimes is 9. Do twenty-year-olds

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The average number of cavities that thirty-year-old Americans have had in their lifetimes is 9. Do twenty-year-olds have more cavities? The data show the results of a survey of 11 twenty-year-olds who were asked how many cavities they have had. Assume that the distribution of the population is normal.

Posted Date: May 18, 2024 05:15 PM

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The average number of cavities that thirty-year-old Americans have had in their lifetimes is 9. Do twenty-year-olds

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