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(c) Find the standard error. Round to four decimal places. The standard error is X

(c) Find the standard error. Round to four decimal places. The standard error is X

MATLAB: An Introduction with Applications
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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The lifetime of a certain type of battery is known to be normally distributed with standard deviation o = 22 hours. A sample of 50 batteries had a mean lifetime of 120.1 hours. It is desired to construct a 95% confidence interval for the mean lifetime for this type of battery. Part 1 of 6 (a) What is the point estimate? The point estimate is 120.1 # Part 2 of 6 (b) Find the critical value. Skip Part esc ! Type here to search f 1 Recheck ? a 12 2 Try one last time # 3 14 101 $ 4 81 fs P % 5 6 = 17 & 7 4+ Ⓒ2023 McGraw Hill LLC. All Rights Reserved. 55°F 00 8 fg ( 9 Save For Later Terms of Use | B 110 0 D Submit As Privacy Center I 10:5 3/28/ d
Transcribed Image Text:The lifetime of a certain type of battery is known to be normally distributed with standard deviation o = 22 hours. A sample of 50 batteries had a mean lifetime of 120.1 hours. It is desired to construct a 95% confidence interval for the mean lifetime for this type of battery. Part 1 of 6 (a) What is the point estimate? The point estimate is 120.1 # Part 2 of 6 (b) Find the critical value. Skip Part esc ! Type here to search f 1 Recheck ? a 12 2 Try one last time # 3 14 101 $ 4 81 fs P % 5 6 = 17 & 7 4+ Ⓒ2023 McGraw Hill LLC. All Rights Reserved. 55°F 00 8 fg ( 9 Save For Later Terms of Use | B 110 0 D Submit As Privacy Center I 10:5 3/28/ d
tab Part 3 of 6 (c) Find the standard error. Round to four decimal places. # The standard error is Skip Part esc Type here to search in ? 7 Recheck Q a 2 W # Try one last time * X 3 E $ 4 S Al % R 5 T 6 17 4- & 7 Save For Later Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | (?) 55°F 00 8 9 411 O Submit Ass Privacy Center | Ac 10:52 3/28/20 L
Transcribed Image Text:tab Part 3 of 6 (c) Find the standard error. Round to four decimal places. # The standard error is Skip Part esc Type here to search in ? 7 Recheck Q a 2 W # Try one last time * X 3 E $ 4 S Al % R 5 T 6 17 4- & 7 Save For Later Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | (?) 55°F 00 8 9 411 O Submit Ass Privacy Center | Ac 10:52 3/28/20 L
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