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 54.4, 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. 51 51 Confidence Interval- 58 58 B. D. 50 50 E Confidence Interval E E
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 54.4, 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. 51 51 Confidence Interval- 58 58 B. D. 50 50 E Confidence Interval E E
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
![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 54.4, 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.
51
51
E
Confidence
Interval.
E
E
58
58
B.
50
50
CI
E
E
Confidence
Interval.
E
57
57](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9aed788c-f5b9-4824-a759-7eca44e6cf18%2Fa982191b-2106-49d6-8cc7-778adfd56efe%2Fat96n7m_processed.png&w=3840&q=75)
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 54.4, 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.
51
51
E
Confidence
Interval.
E
E
58
58
B.
50
50
CI
E
E
Confidence
Interval.
E
57
57
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