Suppose that the time to failure (in hours) of fans in a personal computer can be modeled by an exponential distribution with 2 = 0.0003. %3D What proportion of the fans will last at most 10,000 hours? What proportion of the fans will last at least 7000 hours? O a. 0.0498, 0.1225 O b.0.9502, 0.1225 O c. 0.0498, 0.8775 O d. NONE

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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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. 0.0498, 0.1225
O b.0.9502, 0.1225
O c. 0.0498, 0.8775
O d. NONE
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. 0.0498, 0.1225 O b.0.9502, 0.1225 O c. 0.0498, 0.8775 O d. NONE
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