In this task, you need to provide the correct option for a given problem on probability from the provided options.
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Question: Problem: what is the probability of getting exactly 4 heads in a single throw of five fair coins ?
Options: a ) 1 / 4 , b ) 3 / 8 , c ) 3 / 16 , d ) 5 / 32 , e ) 7 / 32

Answer: d

Question: Problem: what is the probability of getting atmost one head when two unbiased coin are tossed ?
Options: a ) 3 / 4 , b ) 3 / 2 , c ) 4 / 3 , d ) 1 / 2 , e ) 2 / 6

Answer: a

Question: Problem: in how many ways 4 boys and 4 girls can be seated in a row so that boys and girls are alternate ?
Options: a ) 1152 , b ) 1987 , c ) 2012 , d ) 1856 , e ) 2546

Answer:
a