Find the minimum sample size n needed to estimate μ for the given values of​ c, σ​, and E.   c=0.90​, σ=8.5​, and E=2

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 9PPS
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Find the minimum sample size n needed to estimate
μ
for the given values of​ c,
σ​,
and E.
 
c=0.90​,
σ=8.5​,
and
E=2
 
 
 

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Part 1
Assume that a preliminary sample has at least 30 members.
 
n=enter your response here
 
​(Round up to the nearest whole​ number.)
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