E. A manufacturing firm claims that the batteries used in their electronic games will last an average of 25 hours. To maintain tis average, 15 batteries are tested each month. The computed t- value falls between - to.00s and to.0os, the firm is satisfied with its claim. What conclusion should the firm fraw froma sample that has a mean of 23.5 hours and standard deviation s= 3 hours? Assume the distribution of battery lives to be approximately normal.
E. A manufacturing firm claims that the batteries used in their electronic games will last an average of 25 hours. To maintain tis average, 15 batteries are tested each month. The computed t- value falls between - to.00s and to.0os, the firm is satisfied with its claim. What conclusion should the firm fraw froma sample that has a mean of 23.5 hours and standard deviation s= 3 hours? Assume the distribution of battery lives to be approximately normal.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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![E. A manufacturing firm claims that the batteries used in their electronic
games will last an average of 25 hours. To maintain tis average, 15
batteries are tested each month. The computed t- value falls between -
to.00s and to.005, the firm is satisfied with its claim. What conclusion should
the firm fraw froma sample that has a mean of 23.5 hours and standard
deviation s= 3 hours? Assume the distribution of battery lives to be
approximately normal.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fce878c54-b6cd-4e47-a4af-5a53f7413ab3%2Fe3b13c38-cc10-4016-b911-d80483eac19f%2F8ldrtz_processed.jpeg&w=3840&q=75)
Transcribed Image Text:E. A manufacturing firm claims that the batteries used in their electronic
games will last an average of 25 hours. To maintain tis average, 15
batteries are tested each month. The computed t- value falls between -
to.00s and to.005, the firm is satisfied with its claim. What conclusion should
the firm fraw froma sample that has a mean of 23.5 hours and standard
deviation s= 3 hours? Assume the distribution of battery lives to be
approximately normal.
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