A manufacturer of front lights for automobiles tests lamps under a high humidity, high temperature environment using intensity and useful life as the responses of interest. The following table shows the performance of 150 lamps: useful life satisfactory unsatisfactory intensity satisfactory unsatisfactory 134 4 9 3 (a) Find the probability that a randomly selected lamp will yield unsatisfactory results under any criteria. (b) The customers for these lamps demand 95% satisfactory results. Can the lamp manufacturer meet this demand? Why or why not?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A manufacturer of front lights for automobiles tests lamps under a high humidity,
high temperature environment using intensity and useful life as the responses of
interest. The following table shows the performance of 150 lamps:
useful life
satisfactory unsatisfactory
intensity satisfactory
unsatisfactory
134
4
9
3
(a) Find the probability that a randomly selected lamp will yield unsatisfactory
results under any criteria.
(b) The customers for these lamps demand 95% satisfactory results. Can the lamp
manufacturer meet this demand? Why or why not?
Transcribed Image Text:A manufacturer of front lights for automobiles tests lamps under a high humidity, high temperature environment using intensity and useful life as the responses of interest. The following table shows the performance of 150 lamps: useful life satisfactory unsatisfactory intensity satisfactory unsatisfactory 134 4 9 3 (a) Find the probability that a randomly selected lamp will yield unsatisfactory results under any criteria. (b) The customers for these lamps demand 95% satisfactory results. Can the lamp manufacturer meet this demand? Why or why not?
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