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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2009
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Q)
In a binomial distribution
B
(
n
,
p
=
1
4
)
, if the probability of at least one success is greater than or equal to
9
10
, then
n
is greater than
( A )
4
log
4
10
−
log
3
10
( B )
1
log
4
10
+
log
3
10
( C )
1
log
4
10
−
log
3
10
( D )
9
log
4
10
−
log
3
10
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