Solution Found!
Let X be the number of accidents per week in a factory.
Chapter 2, Problem 12E(choose chapter or problem)
Let \(X\) be the number of accidents per week in a factory. Let the pmf of \(X\) be
\(f(x)=\frac{1}{(x+1)(x+2)}=\frac{1}{x+1}-\frac{1}{x+2}, \quad x=0,1,2, \ldots\) .
Find the conditional probability of \(X \geq 4\), given that \(X \geq 1\).
Equation Transcription:
Text Transcription:
X
f(x)=1/(x+1)(x+2)=1/x+1-1/x+2, x=0,1,2,…
X > or = 4
X > or = 1
Questions & Answers
QUESTION:
Let \(X\) be the number of accidents per week in a factory. Let the pmf of \(X\) be
\(f(x)=\frac{1}{(x+1)(x+2)}=\frac{1}{x+1}-\frac{1}{x+2}, \quad x=0,1,2, \ldots\) .
Find the conditional probability of \(X \geq 4\), given that \(X \geq 1\).
Equation Transcription:
Text Transcription:
X
f(x)=1/(x+1)(x+2)=1/x+1-1/x+2, x=0,1,2,…
X > or = 4
X > or = 1
ANSWER:
Answer:
Step 1 of 2:
Let ‘X’ be the number of accidents per week in a factory.
The pmf of ‘X’ is
f(x) = , x = 0,1,2,....