Answer: [tex]\frac{4}{7}[/tex]
Step-by-step explanation:
The given set : {1, 2, 5, 10, 25, 30, 36}
Total numbers in the set = 7
Even Numbers = {2,10,30,36}
The number of even numbers in the set=4
Now, the probability that an even number is selected is given by :-
[tex]\text{P(Even)}=\frac{\text{Even numbers}}{\text{Total numbers}}\\\\\Rightarrow\text{P(Even)}=\frac{4}{7}[/tex]