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A purchasing manager at a university is investigating which brand of LCD projector to purchase for equipping classrooms. Of major concern to her is the lifetime of the light bulbs used in the projectors. One company has published the following histogram regarding the lifetimes of a sample of 50 bulbs used in its LCD projectors. Relative frequency 0 03- 02- 0.1+ 011 700 0.08 750 0.14 0.3 0.24 800 850 Bulb lifetime (in hours) X 900 0.16 Ś 950 Based on the histogram, find the proportion of bulb lifetimes in the sample that are less than 950 hours. Write your answer as a decimal, and do not round your answer. 0.08 1000

A purchasing manager at a university is investigating which brand of LCD projector to purchase for equipping classrooms. Of major concern to her is the lifetime of the light bulbs used in the projectors. One company has published the following histogram regarding the lifetimes of a sample of 50 bulbs used in its LCD projectors. Relative frequency 0 03- 02- 0.1+ 011 700 0.08 750 0.14 0.3 0.24 800 850 Bulb lifetime (in hours) X 900 0.16 Ś 950 Based on the histogram, find the proportion of bulb lifetimes in the sample that are less than 950 hours. Write your answer as a decimal, and do not round your answer. 0.08 1000

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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esc CARKING = 1 I o 0 Q O DESCRIPTIVE STATISTICS Interpreting relative frequency histograms A purchasing manager at a university is investigating which brand of LCD projector to purchase for equipping classrooms. Of major concern to her is the lifetime of the light bulbs used in the projectors. One company has published the following histogram regarding the lifetimes of a sample of 50 bulbs used in its LCD projectors. Relative frequency A A 03- FI 0.2- Explanation 0.1- 0 7 700 2 W 0.08 S 750 Check F2 0.14 Based on the histogram, find the proportion of bulb lifetimes in the sample that are less than 950 hours. Write your answer as a decimal, and do not round your answer. 800 850 Bulb lifetime (in hours) #3 20 0.3 E D X 0.24 $ 4 000 000 900 F4 R 0.16 F 950 0.08 % 5 1000 FS T G A www-awu.aleks.com 6 MacBook Air SA F6 Y H & 7 44 17 U J * 8 ▶ || FB M Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility 1 ▬▬003/5 ( 9 K F9 0 4 L F10 188 G 4) P F11 + ALEKS-Nada Omran = A Nada V F12 1 Español ? 7 Im de
Transcribed Image Text:esc CARKING = 1 I o 0 Q O DESCRIPTIVE STATISTICS Interpreting relative frequency histograms A purchasing manager at a university is investigating which brand of LCD projector to purchase for equipping classrooms. Of major concern to her is the lifetime of the light bulbs used in the projectors. One company has published the following histogram regarding the lifetimes of a sample of 50 bulbs used in its LCD projectors. Relative frequency A A 03- FI 0.2- Explanation 0.1- 0 7 700 2 W 0.08 S 750 Check F2 0.14 Based on the histogram, find the proportion of bulb lifetimes in the sample that are less than 950 hours. Write your answer as a decimal, and do not round your answer. 800 850 Bulb lifetime (in hours) #3 20 0.3 E D X 0.24 $ 4 000 000 900 F4 R 0.16 F 950 0.08 % 5 1000 FS T G A www-awu.aleks.com 6 MacBook Air SA F6 Y H & 7 44 17 U J * 8 ▶ || FB M Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility 1 ▬▬003/5 ( 9 K F9 0 4 L F10 188 G 4) P F11 + ALEKS-Nada Omran = A Nada V F12 1 Español ? 7 Im de
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