Question content area top Part 1 A New York Times article reported that a survey conducted in 2014 included 36,000 ​adults, with 3.71​% of them being regular users of​ e-cigarettes. Because​ e-cigarette use is relatively​ new, there is a need to obtain​ today's usage rate. How many adults must be surveyed now if a confidence level of 99​% and a margin of error of 1.5 percentage points are​ wanted? Complete parts​ (a) through​ (c) below.       Question content area bottom Part 1 a. Assume that nothing is known about the rate of​ e-cigarette usage among adults.   n=. 015.015 ​(Round up to the nearest​ integer.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Question content area top

Part 1
A New York Times article reported that a survey conducted in 2014 included
36,000
​adults, with
3.71​%
of them being regular users of​ e-cigarettes. Because​ e-cigarette use is relatively​ new, there is a need to obtain​ today's usage rate. How many adults must be surveyed now if a confidence level of
99​%
and a margin of error of
1.5
percentage
points
are​ wanted? Complete parts​ (a) through​ (c) below.
 
 
 

Question content area bottom

Part 1
a. Assume that nothing is known about the rate of​ e-cigarette usage among adults.
 
n=. 015.015
​(Round up to the nearest​ integer.)
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