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D The time to fai distributed with ing custodian m given day? Ass

D The time to fai distributed with ing custodian m given day? Ass

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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ne 3ysteI MII TF? 0 The time to failure of fluorescent lights in a large office building is exponentiany distributed with a failure rate of 0.03125 hr. How many spare tubes must the buila- ing custodian maintain to have at least a 0.95 probability of replacing all failures on a given day? Assume continuous 24-hour use of the liehts.
Transcribed Image Text:ne 3ysteI MII TF? 0 The time to failure of fluorescent lights in a large office building is exponentiany distributed with a failure rate of 0.03125 hr. How many spare tubes must the buila- ing custodian maintain to have at least a 0.95 probability of replacing all failures on a given day? Assume continuous 24-hour use of the liehts.
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