The probability density function of the life span of a battery is given by the function below, where t is in years. f(t) = 1.25e-1.25t 0 if t > 0 if t < 0 d.) What is the probability that a battery will have a life span between 1.5 and 4 years? e.) Determine the mean value of the life span of the batteries.
The probability density function of the life span of a battery is given by the function below, where t is in years. f(t) = 1.25e-1.25t 0 if t > 0 if t < 0 d.) What is the probability that a battery will have a life span between 1.5 and 4 years? e.) Determine the mean value of the life span of the batteries.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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