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1
Grade 12 - Comp.
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1 exercises (100% corrected)
a
0
;
6
0
;
3
B
:
:
:
B
A
:
:
:
0
;
2
B
:
:
:
B
A
1.
Unclassifie
d
financial
ye
ars
E.6114
This
exercise
is
a
m
ultiple-c
hoice
questionnaire.
(QCM)
.
F
or
eac
h
question,
only
one
of
the
four
answ
ers
is
correct.
The
c
hoice
of
answ
ers
m
ust
b
e
justified.
1
The
probabilit
y
tree
b
elo
w
represen
ts
a
situation
where
A
and
B
are
t
w
o
ev
en
ts,
whose
opp
osite
ev
en
ts
are
re-
sp
ectiv
ely
denoted
b
y
A
and
B
.
Then
:
a
P
A
B
=
0.18
b
P
A
∩
B
=
0.9
c
P
A
B
=
0.7
d
P
B
=
0.5
2
Using
the
same
tree,
the
probabilit
y
of
ev
en
t
B
is
equal
to
:
a
0.5
b
0.18
c
0.26
d
0.38
3
g
is
the
function
defined
on
the
in
terv
al
0
;
+
∞
b
y
g
(
x
)
=
5
x
.
W
e
denote
C
as
its
represen
tativ
e
curv
e.
The
area,
expressed
in
area
units,
of
the
domain
b
ounded
b
y
the
curv
e
C
,
the
x-axis,
and
the
lines
with
equations
x
=
2
and
x
=
6
,
is
equal
to
:
a
5
·
ln
6
−
ln
2
b
1
6
−
2
·
6
2
g
(
x
)
d
x
c
5
·
ln
6
+
5
·
ln
2
d
g
(6)
−
g
(2)
h
ttps:/
/c
hingmath.fr
chapExoCorrec/6114
sacados/6114
0
;
6
0
;
3
B
:
:
:
B
A
:
:
:
0
;
2
B
:
:
:
B
A
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