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 probability that the sum of two dice will yield a 9 , and then when both are thrown again , their sum will again yield a 9 ? assume that each die has 8 sides with faces numbered 1 to 8 . 
Options: a ) 1 / 64 , b ) 1 / 36 , c ) 1 / 12 , d ) 1 / 6 , e ) 1 / 3
[EX A]: a

[EX Q]: Problem: in a certain animal population , for each of the first 3 months of life , the probability that an animal will die during that month is 1 / 6 . for a group of 200 newborn members of the population , approximately how many would be expected to survive the first 3 months of life ? 
Options: a ) 116 , b ) 146 , c ) 152 , d ) 162 , e ) 170
[EX A]: a

[EX Q]: Problem: what is the probability of randomly selecting one of the shortest diagonals from all the diagonals of a regular octagon ? 
Options: a ) 1 / 4 , b ) 1 / 3 , c ) 1 / 2 , d ) 2 / 5 , e ) 7 / 8
[EX A]:
d