— Ty | ws . _ =
EXPECTANCY IAGRAMS-TEN TS . ROBABE LIFE o
10,000 [unITS,
<
r
—_— ———————— ——— —-Note:-These
 Curves are based on the Hypothesis
that no unit will materially if at all survive twice '
its probable life, and that at the end of the prob- “
| able life term the rate of failures will be equal to
> the original number of units divided by the prob-Te
 9,007 able life
Xe
8,000
lg LY
2 | 7,000 ?
—
[0
' = 5 =
21 6,0008
mt Laas
5] <i :
¢ : =
Fy
re
ad
ph
ro
Ll
+ .
» 1
2,600
5b -
| = Cp i
| wt
1,000 | <% 1 yo 4
BE mal 8 thet Fas CE TWEE TW 0 To = TW TT)
Years
Fis. I.