<s>
PASS	O
is	O
a	O
computer	O
program	O
for	O
estimating	O
sample	O
size	O
or	O
determining	O
the	O
power	B-General_Concept
of	O
a	O
statistical	O
test	O
or	O
confidence	O
interval	O
.	O
</s>
<s>
PASS	O
includes	O
over	O
920	O
documented	O
sample	O
size	O
and	O
power	B-General_Concept
procedures	O
.	O
</s>
