In this task, you need to provide the correct option for a given problem on probability from the provided options.

Q: Problem: a fair coin is tossed 13 times . what is the probability of getting more heads than tails in 13 tosses ? 
Options: a ) 1 / 2 , b ) 63 / 128 , c ) 4 / 7 , d ) 61 / 256 , e ) 63 / 64

A: a
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Q: Problem: from a pack of 52 cards , 1 card is drawn at random . find the probability of a face card drawn . 
Options: a ) 4 / 13 , b ) 1 / 52 , c ) 1 / 4 , d ) 1 / 3 , e ) none of these

A: a
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Q: Problem: in 15 year ’ s time the combined age of my 4 brothers will be 107 . what will it be in 6 year ’ s time ? 
Options: a ) 65 , b ) 87 , c ) 71 , d ) 60 , e ) 66

A:
c
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