MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Transcribed Image Text:A confidence interval for a population mean has a margin of error of 2.2.
a. Determine the length of the confidence interval.
b. If the sample mean is 52.7, obtain the confidence interval.
c. Construct a graph that illustrates your results.
a. The length of the confidence interval is.
(Type an integer or a decimal. Do not round.)
b. The confidence interval for μ is from to.
(Type integers or decimals. Do not round.)
c. Choose the correct graph below.
O A.
O C.
48
Confidence
Interval
CI
M
G
-C...
O B.
O D.
CI
H
Confidence
Interval
EE
55
Q
G
B
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