, H1
of A 1
1 .
.
a) A =
&(S ,
S
,
S1
,
(2 ,
2
,
2 18 ,
,
4
,
4/}
b) B =
((S ,
B
,
2) /S , ,
2
,
R)
,
(2
,
5
,
4
,
(R
,
2
,
3)
,
74 , 5
,
2) ,
7
,
8
, 813
c) c =
G(R ,
R
,
() (R , R , 3)
, ,
(R
,
5
,
R) ,
CR
,
2
,
R)
,
(S R
, ,
R) 12
,
,
R
,
R
13
alDT COD =
DD
of 1 A .
. 2
al ze =
GSSS ,
SSF
,
SFs
,
Sef
,
Eff FSf Fes
, , , Fss]
b) A =
ESSF ,
SFs
, FSS3
2) B =
ESF ,
SFS Ess
, 55sy ,
al =
Ests ,
SSF
, 55sy
el c
Gsff fff fsf Fes
Essy
=
,
, , ,
:
of
1 . A 3 .
a) P(AuB) = P(A) + P(B) -
P(A 1 B)
0
= 0 5
.
+
.4 -
0
.
25
= 0 65
,
b) P(AVB) = 0
,
35
C) P(A(B) = P(A) -
P(AnB)
= 0 5 -
0 25
. .
= 0 25
,
, of
1 .
1 .
4
al Er andere soorten
zijn
nog
b) P(A) = 0
,
65
c) P(Aui) = 0 35 + 0 5
. .
(A1B =
d)
= 0 85
.
d) P(Au B) =
0
.
15
of
1 .
A .
5
P(2) =
/15
P(3) = 5/15
P(6) = /15
P(minstens 3) = 1 - P(1e is 6 w)
=
-
-1 5 = 9/15 = 315 = 0 6
,
- Herbekijken
6
Og1 A .
.
P(A) = 0 7 P(AuB) = 0 85
, ,
P(B) P(Auc) PAubuc)
9
098
0 = =
=
8 0
, ,
P(c) PBuc) = 9
=
0 75
,
095 Planboc) =
I
a) 1 -
PAvBuc) = 1 -
0 02
,
= 0
.
98-
b) 1 -
P(Aubuc) = 0
,
02
c) PlAuBul) -
p(Bul) =
0 03
,
d) %
, elke st u d e n t
↳ apart saysprach
of
1 .
A .
7
a)
meisje 1 afspraak =
29 = 3/7
za = 216
meisje bij eerste 3
=g. 3/7 : =
0714
P(alleen
1
-
=
jongens (
plminstens 11 =
meisje geen
=
1 - 0 0714 = 0 928
.
,
b) 1 P) enkel
p) =
jongens by
lockere 3
agspel
P(enkel (
jongens bij
=
eerste
sagepr
= 0 0714
,
C) haret
volgorde mogelijk
!
-u =
28 = 8 ! = 40320
40319
kans =
= 0 999752
40320 ,
A 8
of 1 .
.
↑ (BnA)
a) p(BIA) =
=
= 0
.
5
P(anB
b) P(B'(A) =
P(A)
P (A)
-
P(A1B)
= 1 0 5
= =
5
-
. 0
P(A) ,
2 P(AIB) = 0
,
625
P(B) -
P(A1B)
d) Plt'IB) =
=
0
.
375
p(B)