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A fair coin is tossed a fixed number of times. If the probability of getting seven heads is equal to that of getting nine heads, the probability of getting two heads, is

A

`15/2^(8)`

B

`2/15`

C

`15/2^(13)`

D

None of these

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The correct Answer is:
C
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DISHA PUBLICATION-PROBABILITY -2-EXERCISE - 1 : CONCEPT BUILDER
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