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6. A Computer Company claims that its laptop batteries average at least 3.5hours of use per every charge. Assume a sample of 45 batteries last an average of 3.72 hours with population standard deviation of 0.7 hours. Test the Company's claim at 10% and 1% significance levels using the z- score method. Also, test the claim at 10% using the p-value method.

6. A Computer Company claims that its laptop batteries average at least 3.5hours of use per every charge. Assume a sample of 45 batteries last an average of 3.72 hours with population standard deviation of 0.7 hours. Test the Company's claim at 10% and 1% significance levels using the z- score method. Also, test the claim at 10% using the p-value method.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 3GP
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6. A Computer Company claims that its laptop batteries average at least 3.5hours of use per every charge. Assume a sample of 45 batteries last an average of 3.72 hours with population standard deviation of 0.7 hours. Test the Company's claim at 10% and 1% significance levels using the z- score method. Also, test the claim at 10% using the p-value method.
Transcribed Image Text:6. A Computer Company claims that its laptop batteries average at least 3.5hours of use per every charge. Assume a sample of 45 batteries last an average of 3.72 hours with population standard deviation of 0.7 hours. Test the Company's claim at 10% and 1% significance levels using the z- score method. Also, test the claim at 10% using the p-value method.
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