Twelve percent of 900 randomly selected women over the age of forty report using hair coloring. Compute and interpret a 90% confidence interval for the proportion of women over the age of forty who use hair coloring. In your own words and complete sentences, briefly state what purpose a confidence interval serves.

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25-07-2024
Mathematics

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Twelve percent of 900 randomly selected women over the age of forty report using hair coloring. Compute and interpret a 90% confidence interval for the proportion of women over the age of forty who use hair coloring. In your own words and complete sentences, briefly state what purpose a confidence interval serves.

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