A New York Times article reported that a survey conducted in 2014 included 36,000 adults, wit relatively new, 3.7% of them being regular users of e-cigarettes. Because e-cigarette use there is a need to obtain today's usage rate. How many adults must be surveyed now if a confidence level of 90% and a margin of error of 1 percentage point are wanted? Complete parts (a) through (c) below.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A New York Times article reported that a survey conducted in 2014 included 36,000 adults, with
3.7% 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 90% and a margin of error of 1 percentage point are wanted? Complete
parts (a) through (c) below.
a. Assume that nothing is known about the rate of e-cigarette usage among adults.
n=
(Round up to the nearest integer.)
Transcribed Image Text:A New York Times article reported that a survey conducted in 2014 included 36,000 adults, with 3.7% 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 90% and a margin of error of 1 percentage point are wanted? Complete parts (a) through (c) below. a. Assume that nothing is known about the rate of e-cigarette usage among adults. n= (Round up to the nearest integer.)
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