n a survey of 3279 adults aged 57 through 85​ years, it was found that 81.9​% of them used at least one prescription medication. Complete parts​ (a) through​ (c) below. How many of the 3279 subjects used at least one prescription​ medication? ​(Round to the nearest integer as​ needed.) Construct a​ 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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In a survey of

3279

adults aged 57 through 85​ years, it was found that

81.9​%

of them used at least one prescription medication. Complete parts​ (a) through​ (c) below.

  1. How many of the

3279

subjects used at least one prescription​ medication?

​(Round to the nearest integer as​ needed.)

  1. Construct a​ 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication
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