If X and Y are independent random variables with means X = 9.5 and Y = 6.8, and standard
Chapter 2, Problem 1(choose chapter or problem)
If \(X \text { and } Y\) are independent random variables with means \(\mu_{x}=9.5 \text { and } \mu_{y}=6.8\), and standard deviations \(\sigma_{x}=0.4 \text { and } \sigma_{y}=0.1\), find the means and standard deviations of the following:
a. \(3 X\)
b. \(Y-X\)
c. \(X+4 Y\)
Equation Transcription:
Text Transcription:
X \text { and } Y
\mu_{x}=9.5 \text { and } \mu_{y}=6.8
\sigma_{x}=0.4 \text { and } \sigma_{y}=0.1
3 X
Y-X
X+4 Y
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