A. A survey of 1283 student loan borrowers found that 428 had loans totaling more than...

A. A survey of 1283 student loan borrowers found that 428 had loans totaling more than $20,000 for their undergraduate education. Give a 99% confidence interval for the proportion of all student loan borrowers who have loans of $20,000 or more for their undergraduate education

B. In a study of the relationship between pet ownership and physical activity in older adults, 598 subjects reported that they owned a pet, while 1922 reported that they did not. Give a 99% confidence interval for the proportion of older adults in this population who are pet owners.

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orchestra answered 11 months ago

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