In a survey of 3447 adults aged 57 through 85 years, it was found that 87.7% of them used at least one prescription medication Complete parts (a) through (b) below. K a. How many of the 3447 subjects used at least one prescription medication? (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 %

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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In a survey of 3447 adults aged 57 through 85 years, it was found that 87.7% of them used at least one prescription medication. Complete parts (a) through (b) below.
K
a. How many of the 3447 subjects used at least one prescription medication?
(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
%<p<%
(Round to one decimal place as needed.)
Transcribed Image Text:In a survey of 3447 adults aged 57 through 85 years, it was found that 87.7% of them used at least one prescription medication. Complete parts (a) through (b) below. K a. How many of the 3447 subjects used at least one prescription medication? (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 %<p<% (Round to one decimal place as needed.)
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