The probability density function of X, the lifetime of a certain type of device (measured in months), is given by Find the following: P(X > 34) = The cumulative distribution function of X: if x 25 F(x) = if x 25 f(x) = if x ≤25 25 if x > 25
The probability density function of X, the lifetime of a certain type of device (measured in months), is given by Find the following: P(X > 34) = The cumulative distribution function of X: if x 25 F(x) = if x 25 f(x) = if x ≤25 25 if x > 25
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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Transcribed Image Text:The probability density function of X, the lifetime of a certain type of device (measured in months), is given by
Find the following: P(X > 34) =
The cumulative distribution function of X:
F(x) =
{8
if x 25
if x 25
if x 25
f(x) =
25
if x 25
x2
The probability that at least one out of 6 devices of this type will function for at least 34 months:
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