My reports that the
ution of head circunferenc
Soldiers is approx normal with
22.8 inches and standard
on 11 inches. Hemets are mass
and for all except the smallest 5%
largest 5% of head Sizes
in the largest or smallest
2t custom helmets what
size gets custom made
ts?
pick
riches
nately
and
these
nd the
a dis-
ibuted.
ic stan-
farther
large-cup
the mean
duction pr
the lid di
15. Put
(a) If cl
at
alt Intel-
20-to-34
stributed
(b)
have IQs
dmits as
% on IQ
telligence
4 have to
P
16. E
(a)
(b)
way ana-
000 new-
ibution of
al with a
deviation
17.
19
less than
"low birth
fied as low
birth weigh