Determine the margin of error for the confidence interval for the mean: 21+1.2 The margin of error is

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 1GP
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Determine the margin of error for the confidence interval for the mean:
21 1.2
The margin of error is
Transcribed Image Text:Determine the margin of error for the confidence interval for the mean: 21 1.2 The margin of error is
Expert Solution
Step 1:- Explanation

Confidence Interval formula for mean is given by,

=> (X bar + - z* sigma/√n)

Where X bar is mean. 

And Margin of error formula is given by,

MoE= z*sigma/√n

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