Margin Calculation: Random Component
▪
The margin that would be needed to ensure a coverage of at least 95%
p
p
s
s
=
=
=
,0 ,95.0
norminv
2
2
,0
,95.0
norminv
s
s
s
= =
=
p
p
M =
1.64s
2
s
p
2
- 1.64s
p