Correct Answer - (i)
1
36
(ii)
5
108
n(S)=(6×6×6)=216
(i) E1={(1,1,3),(1,3,1),(3,1,1),(1,2,2),(2,1,2),(2,2,1)}
∴P(E1)=
6
216
=
1
26
.
(ii) E2={(1,1,1),(1,1,2),(1,2,1),(2,1,1),(1,1,3),(1,3,1),(3,1,1),(1,2,2),(2,1,2),(2,2,1)}
E
2
=
{
(
1
,
1
,
1
)
,
(
1
,
1
,
2
)
,
(
1
,
2
,
1
)
,
(
2
,
1
,
1
)
,
(
1
,
1
,
3
)
,
(
1
,
3
,
1
)
,
(
3
,
1
,
1
)
,
(
1
,
2
,
2
)
,
(
2
,
1
,
2
)
,
(
2
,
2
,
1
)
}
∴P(E2)=
10
216
=
5
108
.
