Functions of Random Variables 127
f Y (y)
0.4
0.2
y
–4 –2 2 4
Figure 5.6 Probability density function, f (y) in Example 5.4
Y
r 0
+ i
V R
–
Figure 5.7 Circuit for Example 5.5
f (r )
R
0.1
r(ohms)
90 110
Figure 5.8 Distribution, f (r), in Example 5.5
R
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