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The mean life of a particular brand of light bulb is 1000 hours and the standard deviation is 50 hours. It can be concluded that at least 89% of this brand of bulbs will last between O 1050 and 1250 hours 950 and 1050 hours O 900 and 1100 hours 850 and 1150 hours O 800 and 1200 hours

The mean life of a particular brand of light bulb is 1000 hours and the standard deviation is 50 hours. It can be concluded that at least 89% of this brand of bulbs will last between O 1050 and 1250 hours 950 and 1050 hours O 900 and 1100 hours 850 and 1150 hours O 800 and 1200 hours

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
Section10.5: Comparing Sets Of Data
Problem 2GP
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The mean life of a particular brand of light bulb is 1000 hours and the standard deviation is 50 hours. It can be concluded that at least 89% of this brand of bulbs will last between 1050 and 1250 hours 950 and 1050 hours 900 and 1100 hours 850 and 1150O hours 800 and 120O hours
Transcribed Image Text:The mean life of a particular brand of light bulb is 1000 hours and the standard deviation is 50 hours. It can be concluded that at least 89% of this brand of bulbs will last between 1050 and 1250 hours 950 and 1050 hours 900 and 1100 hours 850 and 1150O hours 800 and 120O hours
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