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

[EX Q]: Problem: tomeka is playing a dice game . if she rolls the same number on her second roll as she rolls on her first , she wins . each roll is with two , fair , 6 - sided dice . if tomeka rolled a 7 on her first roll , what is the probability that she will win on her second roll ? 
Options: a ) 1 / 4 , b ) 1 / 5 , c ) 1 / 6 , d ) 1 / 9 , e ) 1 / 12
[EX A]: c

[EX Q]: Problem: in a throw of a coin probability of getting a head . 
Options: a ) 1 / 3 , b ) 2 / 3 , c ) 1 / 4 , d ) 2 / 5 , e ) 1 / 2
[EX A]: e

[EX Q]: Problem: jane and thomas are among the 7 people from which a committee of 4 people is to be selected . how many different possible committees of 4 people can be selected from these 7 people if at least one of either jane or thomas is to be selected ? 
Options: a ) 30 , b ) 45 , c ) 55 , d ) 65 , e ) 70
[EX A]:
a