Measurements are made on the length and width (in cm) of a rectangular component
Chapter 2, Problem 15(choose chapter or problem)
Measurements are made on the length and width (in cm) of a rectangular component. Because of measurement error, the measurements are random variables. Let X denote the length measurement and let Y denote the width measurement. Assume that the probability density function of X is
\(f(x)= \begin{cases}10 & 9.95<x<10.05 \\ 0 & \text { otherwise }\end{cases}\)
And that the probability density function of Y is
\(g(y)= \begin{cases}5 & 4.9<y<5.1 \\ 0 & \text { otherwise }\end{cases}\)
Assume that the measurements \(X \text { and } Y\) are independent.
a. Find \(P(X<9.98)\).
b. Find \(P(Y>5.01)\)
c. Find \(P(X<9.98 \text { and } Y>5.01)\).
d. Find \(\mu_{x}\).
e. Find \(\mu_{Y}\).
Equation Transcription:
{
{
Text Transcription:
f(x)= 10 & 9.95<x<10.05 \\ 0 otherwise
g(y)= 5 & 4.9<y<5.1 \\ 0 otherwise
X and Y
P(X < 9.98)
P(Y>5.01)
P(X<9.98 and Y>5.01)
\mu_x
\mu_Y
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