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Mathematics
In a room there are 6 couples. Out of them if 4 are selected at random, the probability that they may be couples is
Q. In a room there are 6 couples. Out of them if 4 are selected at random, the probability that they may be couples is
1953
213
Probability - Part 2
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A
33
4
19%
B
33
2
25%
C
33
1
46%
D
33
3
10%
Solution:
n
(
S
)
=
12
C
4
,
n
(
E
)
=
6
C
2
,
P
(
E
)
=
33
1