Suppose that the time to failure (in hours) of fans in a personal computer can be modeled by an exponential distribution with 1 = 0.0003. What proportion of the fans will last at most 10,000 hours? What proportion of the fans will last at least 7000 hours? a. NONE b. 0.0498, 0.1225 c. 0.9502, 0.1225 d. 0.0498, 0.8775 O O

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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ISBN:9780547587776
Author:HOLT MCDOUGAL
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Chapter11: Data Analysis And Probability
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Suppose that the time to failure (in hours) of fans in a personal computer can be modeled by an
exponential distribution with 1 = 0.0003.
What proportion of the fans will last at most 10,000 hours?
What proportion of the fans will last at least 7000 hours?
a. NONE
b. 0.0498, 0.1225
c. 0.9502, 0.1225
d. 0.0498, 0.8775
Transcribed Image Text:Suppose that the time to failure (in hours) of fans in a personal computer can be modeled by an exponential distribution with 1 = 0.0003. What proportion of the fans will last at most 10,000 hours? What proportion of the fans will last at least 7000 hours? a. NONE b. 0.0498, 0.1225 c. 0.9502, 0.1225 d. 0.0498, 0.8775
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