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below In a survey of 3141 adults aged 57 through 85 years, it was found that 84.5% of them used at least one prescription medication.

below In a survey of 3141 adults aged 57 through 85 years, it was found that 84.5% of them used at least one prescription medication. Complete parts (a) through (b) . . . ork t so a. How many of the 3141 subjects used at least one prescription medication? pts: (Round to the nearest integer as needed.) b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication (Round to one decimal place as needed.) gesti

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