If you flip a fair coin 6 times, what is the probability that you will get exactly 2 tails?
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the probability of getting 2 times tails is equal to
1/3
1/3
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1
ncx(p^x)(q^(n-x))
where n is no of trails=6 and
p is probability of getting a certain event=0.5
q=1-p=0.5
6C 2(0.5)^6=15/64
where n is no of trails=6 and
p is probability of getting a certain event=0.5
q=1-p=0.5
6C 2(0.5)^6=15/64
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