Question: Hi, I need help in solving this problem. I'm not sure how to set up. In a survey of 3072 adults aged 57 through 85

Hi, I need help in solving this problem. I'm not sure how to set up.

In a survey of 3072 adults aged 57 through 85 years, it was found that 88.9% of them used at least one prescription medication. Complete parts (a) through (0) below. a. How many of the 3072 subjects used at least one prescription medication? (Round to the nearest integer as needed.) b. Construct a 90% condence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. %

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