19. The following table gives the lifetime in hours of 400 radio tubes of a certain make. Find the mean lifetime of the radio tubes. Number of Lifetime Number of tubes Lifetime tubes (in hours) (in hrs.) Less than 800 Less than 900 Less than 1,000 Less than 1,100 265 324 Less than 300 Less than 400 Less than 500 Less than 600 20 60 374 116 392 Less than 700 194 Less than 1,200 400 1.
19. The following table gives the lifetime in hours of 400 radio tubes of a certain make. Find the mean lifetime of the radio tubes. Number of Lifetime Number of tubes Lifetime tubes (in hours) (in hrs.) Less than 800 Less than 900 Less than 1,000 Less than 1,100 265 324 Less than 300 Less than 400 Less than 500 Less than 600 20 60 374 116 392 Less than 700 194 Less than 1,200 400 1.
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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