Q.
6 coins are tossed 6400 times. The number of times getting exactly 4 heads is
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a
600
b
1000
c
2000
d
1500
answer is D.
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Detailed Solution
n=6,p=12, q=12p(x=4)=1564 ∴ Number of times that exactly 4 heads appear is 6400.1564=1500
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