Example 7.4
Process A Process B
Nominal 0.5 Nominal 0.5
k125000 k125000
Dimension, x Probability, f(x) (x – E[X])^2 Dimension, x Probability, f(x) (x – E[X])^2
0.47 0 0.0009 0.47 0.02 0.0009
0.48 0.2 0.0004 0.48 0.03 0.0004
Example 7.8
Mean 50000
Standard deviation
1500
Tire Life, x P(failure) P(survival)
45000 0.00043 0.99957
45500 0.00135 0.99865
46000 0.00383 0.99617
46500 0.00982 0.99018
0.80000
0.90000
1.00000
Reliability Function
Exponential Reliability
Failure rate 0.0003
T R(T)
0 1.000
1000 0.741
2000 0.549
1.000
1.200
Reliability Function
Example 7.9