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

[EX Q]: Problem: what is the smallest number by which 2880 must be divided in order to make it into a perfect square ? 
Options: a ) 3 , b ) 4 , c ) 5 , d ) 6 , e ) 7
[EX A]: c

[EX Q]: Problem: a jar contains only red , yellow , and orange marbles . if there are 3 red , 3 yellow , and 4 orange marbles , and 3 marbles are chosen from the jar at random without replacing any of them , what is the probability that 2 yellow , 1 red , and no orange marbles will be chosen ? 
Options: a ) 1 / 60 , b ) 1 / 45 , c ) 2 / 45 , d ) 3 / 22 , e ) 5 / 22
[EX A]: c

[EX Q]: Problem: the chance of rain on any given day in tel - aviv is 50 % . what is the probability z that it rained in tel - aviv on exactly 4 out of 6 randomly chosen days ? 
Options: a ) 15 / 64 , b ) 30 / 64 , c ) 1 / 2 , d ) 1 / 4 , e ) 52 / 64
[EX A]:
a