1.

A fair coin is tossed a fixed number of times. If the probability of getting 7 heads is equal to that of getting 9 heads, then the probability of getting 3 heads is

A. \[\frac{35}{{{2}^{12}}}\]
B. \[\frac{35}{{{2}^{14}}}\]
C. \[\frac{7}{{{2}^{12}}}\]
D. None of these
Answer» B. \[\frac{35}{{{2}^{14}}}\]


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