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Gil Tal
ECI 114
Gil Tal
Fall 2002
Homework Assignment 2
1.
Problem 264, p. 42.
40 castings lot 15 from a local supplier and 25 from the next state.
Let A be the event that the first casting selected is from the local supplier
Let B be the event that the second casting selected is from the local supplier
Let C be the event that the third casting selected is from the local supplier
a.
0461
.
0
38
39
40
13
14
15
!
3
38
39
40
:
!
3
13
14
15
!
3
!
37
!
40
!
3
!
12
!
15
3
40
0
25
3
15
)
Pr(
=
×
×
×
×
=
×
×
×
×
=
×
÷
×
=
=
∩
∩
C
B
A
b.
0886
.
0
38
25
39
14
40
15
=
×
×
c.
266
.
0
!
3
!
37
!
40
)
!
1
!
24
!
25
!
2
!
13
!
15
(
3
40
1
25
2
15
)
Pr(
'
=
×
÷
×
×
×
=
=
∩
∩
C
B
A
On part B the order matter; on part C it’s not.
2.
Let O be the detection of an organic pollutant
P
b
(O)=0.997
Let V be the detection of a volatile pollutant
P
b
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This note was uploaded on 09/22/2009 for the course ECI 114 taught by Professor Mocktarian during the Winter '08 term at UC Davis.
 Winter '08
 Mocktarian

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