Estimation of service interval
Mean µ
10
3
km
Standard deviation σ
10
3
km
R(t)
1
-
R(t)
2
-
Interval 1
Interval 2
z -
v
alue
-
-
service interval t
10
3
km
10
3
km
a
1
= R(t
2
) / R(t
1
)
-
Timing belt replacement: http://en.wikipedia.org/wiki/Timing_belt
www.engineering-abc.com