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: a coin is tossed six times . what is the probability that there is at the least one tail ? 
Options: a ) 63 / 64 , b ) 31 / 37 , c ) 31 / 18 , d ) 31 / 10 , e ) 31 / 19

Answer: a


Question: Problem: 4 dices are thrown at the same time . what is the probability of getting only 2 dices showing the same face ? 
Options: a ) 4 / 9 , b ) 5 / 9 , c ) 11 / 18 , d ) 7 / 9 , e ) none of the above

Answer: b


Question: Problem: the membership of a committee consists of 4 english teachers , 2 mathematics teachers , and 2 social studies teachers . if 2 committee members are to be selected at random to write the committee ’ s report , what is the probability that the two members selected will both be english teachers ? 
Options: a ) 2 / 3 , b ) 1 / 3 , c ) 2 / 9 , d ) 1 / 12 , e ) 3 / 28

Answer:
e