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jut. P-value = i Round your answer to three decimal places (e.g. 98.765). (c) What is the Bß-error for the test in part (a) if the true mean life is 42 hours? B = i

jut. P-value = i Round your answer to three decimal places (e.g. 98.765). (c) What is the Bß-error for the test in part (a) if the true mean life is 42 hours? B = i

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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P-value = i Round your answer to three decimal places (e.g. 98.765). (c) What is the B-error for the test in part (a) if the true mean life is 42 hours? B = Round your answer to five decimal places (e.g. 98.76543). (d) What sample size would be required to ensure that ẞ does not exceed 0.2 if the true mean life is 44 hours? i batteries
Transcribed Image Text:P-value = i Round your answer to three decimal places (e.g. 98.765). (c) What is the B-error for the test in part (a) if the true mean life is 42 hours? B = Round your answer to five decimal places (e.g. 98.76543). (d) What sample size would be required to ensure that ẞ does not exceed 0.2 if the true mean life is 44 hours? i batteries
The life in hours of a battery is known to be approximately normally distributed, with standard deviation o = 1.25 hours. A random sample of 10 batteries has a mean life of x = 40.5 hours. (a) Is there evidence to support the claim that battery life exceeds 40 hours? Use α = 0.005. The battery life ✓significantly different greater than 40 hours at α = 0.005. (b) What is the P-value for the test in part (a)? P-value = i Round your answer to three decimal places (e.g. 98.765).
Transcribed Image Text:The life in hours of a battery is known to be approximately normally distributed, with standard deviation o = 1.25 hours. A random sample of 10 batteries has a mean life of x = 40.5 hours. (a) Is there evidence to support the claim that battery life exceeds 40 hours? Use α = 0.005. The battery life ✓significantly different greater than 40 hours at α = 0.005. (b) What is the P-value for the test in part (a)? P-value = i Round your answer to three decimal places (e.g. 98.765).
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