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To check the quality of two brands of lightbulbs, their life in burning hou estimated as under for 100 bulbs of each brand. Life (in hrs) 50-100 100-150 150-200 200-250 20 0-50 No. Brand 15 18 25 22 of A bulbs Brand в 2 8 60 25 (i) Which brand gives higher life? (ii) Which brand is more dependable?

To check the quality of two brands of lightbulbs, their life in burning hou estimated as under for 100 bulbs of each brand. Life (in hrs) 50-100 100-150 150-200 200-250 20 0-50 No. Brand 15 18 25 22 of A bulbs Brand в 2 8 60 25 (i) Which brand gives higher life? (ii) Which brand is more dependable?

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.7: More On Inequalities
Problem 44E
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To check the quality of two brands of lightbulbs, their life in burning hours was estimated as under for 100 bulbs of each brand. Life (in hrs) Brand 0-50 50-100 100-150 150-200 200-250 No. 15 20 18 25 22 of A bulbs Brand 2 8 60 B (i) Which brand gives higher life? (ii) Which brand is more dependable? LO 25
Transcribed Image Text:To check the quality of two brands of lightbulbs, their life in burning hours was estimated as under for 100 bulbs of each brand. Life (in hrs) Brand 0-50 50-100 100-150 150-200 200-250 No. 15 20 18 25 22 of A bulbs Brand 2 8 60 B (i) Which brand gives higher life? (ii) Which brand is more dependable? LO 25
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