2. An assembly contai four components ha ae addop of each other. Suppose
the lengths of the components are normally and independently distributed with the
following means (in centimeters):
If the specifications for the assembly length are 20:03 cm, what

Team:
2; Control charts for if and s have been maintained on a process and have been exhibited
statistical control. ’Ehe sample size is n=6. The eontrol chart parameters are as
follows;
' UCL:3,42O
Center linezl ,738
LCL=0,0562 r
CL:708,

Team Members: /
., a 7 17.07.2013
END 471 Quality Planning and Control
In Class Exercise 8
_r
1. For a double sampling plan, parameters are given as N: 1000, n1 2 50, 01 = 1, r12 =
100, C2 = 3. If the incoming lot defective ratio is given as p = 0.02,
a)

‘ gm
2 m
i % g; i ac: if 21; {mi} 1
; 33:3 i { mam £38462
‘ 1?,GEdSS £2,123,535 935%582 g
r sigma: 13,423.45?
1826833 14923154 SﬁGQQIﬁﬁg
33
15,1{3838 ?,684{}?6
g
3
§
§
23
i K
g 1338515
14 19,66944; 1439755
7,099}?
I
m E 20,195.58
2
E
: 20,