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NDA Math Probability
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© examsnet.com
Question : 26
Total: 100
Let the sample space consist of non-negative integers up to 50, denote the numbers which are multipliers of 3 and Y denote the odd numbers. Which of the following is/are correct?
1.
P
(
X
)
=
8
25
2.
P
(
Y
)
=
1
2
Select the correct answer using the code given below.
[NDA II 2017]
1 only
2 only
Both 1 and 2
Neither 1 nor 2
Validate
Solution:
n
(
X
)
=
16
,
n
(
Y
)
=
25
and
S
=
51
⇒
P
(
X
)
=
16
51
,
P
(
Y
)
=
25
51
© examsnet.com
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