(n) A bag contains tickets numbered 1 to 60 A ticket is drawn at random from this bo What is the probability that the drawn ticket in ether a multiple of 2013 or 5
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Step-by-step explanation:
We make three cases, namely four odd numbers, two odd numbers and zero odd number; keeping in mind that the sum of four odd numbers & two odd numbers comes out to be even.
Let X= number of odd numbers chosen.
P (sum even) =P(X=4)+P(X=2)+P(X=0)
=(
3
2
)
4
+
4
C
2
(
3
2
)
2
(
3
1
)
2
+(
3
1
)
4
=
81
41
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