1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VIII
Mathematics
Experiment and Outcomes
a, b, c throw...
Question
a, b, c throw a die alternatively by till one of them gets a 6 and wins a game.find the respective probabilities of winning if a starts first.
will we find probabilities of winning of all three i.e. a b and c .
Open in App
Solution
Let
E
be
the
event
of
getting
a
six
in
a
single
throw
of
the
die
.
P
E
=
1
6
⇒
P
E
=
1
-
1
6
=
5
6
A
wins
if
throws
six
in
1
st
or
4
th
or
7
th
or
.
.
.
throws
.
Also
,
B
does
not
throw
a
six
in
2
nd
or
5
th
or
8
th
.
.
.
throws
and
C
does
not
throw
a
six
in
3
rd
or
6
th
or
9
th
.
.
.
throws
.
P
A
wins
=
P
E
∪
E
∩
E
∩
E
∩
E
∪
E
∩
E
∩
E
∩
E
∩
E
∩
E
∩
E
∪
.
.
.
=
P
E
+
P
E
∩
E
∩
E
∩
E
+
P
E
∩
E
∩
E
∩
E
∩
E
∩
E
∩
E
+
.
.
.
=
P
E
+
P
E
P
E
P
E
P
E
+
P
E
P
E
P
E
P
E
P
E
P
E
P
E
+
.
.
.
=
1
6
+
5
6
3
1
6
+
5
6
6
1
6
+
.
.
.
=
1
6
1
-
5
6
3
=
36
91
B
wins
if
throws
six
in
2
nd
or
5
th
or
8
th
or
.
.
.
throws
.
Also
,
A
does
not
throw
a
six
in
1
st
or
4
th
or
7
th
.
.
.
throws
and
C
does
not
throw
a
six
in
3
rd
or
6
th
or
9
th
.
.
.
throws
.
P
B
wins
=
P
E
∩
E
∪
E
∩
E
∩
E
∩
E
∩
E
∪
E
∩
E
∩
E
∩
E
∩
E
∩
E
∩
E
∩
E
∪
.
.
.
=
P
E
∩
E
+
P
E
∩
E
∩
E
∩
E
∩
E
+
P
E
∩
E
∩
E
∩
E
∩
E
∩
E
∩
E
∩
E
+
.
.
.
=
P
E
P
E
+
P
E
P
E
P
E
P
E
P
E
+
P
E
P
E
P
E
P
E
P
E
P
E
P
E
P
E
+
.
.
.
=
5
6
×
1
6
+
5
6
4
1
6
+
5
6
7
1
6
+
.
.
.
=
5
36
1
-
5
6
3
=
30
91
Now
,
P
A
wins
+
P
B
wins
+
P
C
wins
=
1
⇒
36
91
+
30
91
+
P
C
wins
=
1
⇒
P
C
wins
=
1
-
36
91
-
30
91
=
25
91
Suggest Corrections
0
Similar questions
Q.
A
and
B
throw a die alternatively till one of them gets a
′
6
′
and wins the game. Find their respective probabilities of winning, if
A
starts first.
Q.
A and B throw a pair of dice alternately, till one of them gets a total of 10 and wins the game. Find their respective probabilities of winning, if A starts first.
Q.
Two persons
A
and
B
throw a coin alternatively till one of them gets head and wins the game. Find the respective probabilities of winning the game?
Q.
X
and
Y
throw a die alternatively till one of them get a
4
. find the probability of winning of
Y
if
X
starts first.
Q.
A and B toss a coin alternately till one of them gets a head and wins the game. The probability of A's winning if A starts the game is
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Introduction
MATHEMATICS
Watch in App
Explore more
Experiment and Outcomes
Standard VIII Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app