Papel de probabilidade - Weibull

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Papel de probabilidades da distribuição de Weibull 	
	
2.2 Lifetime Distributions for Reliability Description 49 
 
Lifetime t 
Fa
ilu
re
 P
ro
ba
bi
lit
y
F(
t) 
Sh
ap
e 
Pa
ra
m
et
er
b
63.2
99.9
99
90
80
70
50
30
20
10
5
1
2
3
4
0.1
0.2
0.3
0.4
1000
0
0.5
40
3.5
0.5
1.0
1.5
2.0
2.5
3.0
100101
%
PolPole
 
Figure 2.35. Weibull probability paper 
Example: 
A two parametric Weibull distribution with the shape parameter b = 1.7 
and the characteristic lifetime T = 80,000 load cycles is to be drawn in 
Weibull probability paper. The desired function out of the given data is: 
( )
71
LW000801
.
,
t
etF
⎟⎟⎠
⎞
⎜⎜⎝
⎛−
−= .