Answer:
Approximately 24%.
Explanation:
There are ways of choosing two boys and ways of choosing two kids (boys or girls). So the probability of getting two boys is .
about 24%
1/2 times 9/19
0.5 times 9/19
is about 0.24
0.25 mean about 24%
3.4m questions
4.3m answers
ways of choosing two boys and 
ways of choosing two kids (boys or girls). So the probability of getting two boys is 
.