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The following table shows the distribution of the life time of 350 radio tubes. ẩLiẩfeẩme (in hours) : ẩNẩber of tubes 300-400 400-500 S00-600 600-700 700-800 800-900 900 1000 6. 18 73 165 62 22 Stating clearly the assumptions involved, obtain the percentage of tubes that have life time: (a) Greater than 760 hours; (b) Between 650 and 850 hours; and (c) Less than 530 hours.

The following table shows the distribution of the life time of 350 radio tubes. ẩLiẩfeẩme (in hours) : ẩNẩber of tubes 300-400 400-500 S00-600 600-700 700-800 800-900 900 1000 6. 18 73 165 62 22 Stating clearly the assumptions involved, obtain the percentage of tubes that have life time: (a) Greater than 760 hours; (b) Between 650 and 850 hours; and (c) Less than 530 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
Section10.2: Representing Data
Problem 24PFA
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The following table shows the distribution of the life time of 350 radio tubes. Lifetime (in hours) : Number of tubes 300-400 400-500 S00-600 600-700 700-800 800-900 900 1000 6 18 73 165 62 22 Stating clearly the assumptions involved, obtain the percentage of tubes that have life time: (a) Greater than 760 hours; (b) Between 650 and 850 hours; and (c) Less than 530 hours,
Transcribed Image Text:The following table shows the distribution of the life time of 350 radio tubes. Lifetime (in hours) : Number of tubes 300-400 400-500 S00-600 600-700 700-800 800-900 900 1000 6 18 73 165 62 22 Stating clearly the assumptions involved, obtain the percentage of tubes that have life time: (a) Greater than 760 hours; (b) Between 650 and 850 hours; and (c) Less than 530 hours,
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