ponential distribution applies with B= 125. What are the mean and variance of the time that elaps lures occur? e mean is hours. ype an integer or a decimal. Do not round.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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A certain type of device has an advertised failure rate of 0.008 per hour. The failure rate is constant and the
exponential distribution applies with B=125. What are the mean and variance of the time that elapses before 2
failures occur?
The mean is hours.
(Type an integer or a decimal. Do not round.)
Transcribed Image Text:A certain type of device has an advertised failure rate of 0.008 per hour. The failure rate is constant and the exponential distribution applies with B=125. What are the mean and variance of the time that elapses before 2 failures occur? The mean is hours. (Type an integer or a decimal. Do not round.)
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