Answer
$\frac{17}{25}$
Work Step by Step
We know that $probability=\frac{\text{number of favorable outcomes}}{\text{number of all outcomes}}$
The number of all outcomes is $12+16+20+2=50$, out of these $50-16=34$ correspond to the desirable selection.
Hence here the probability is $\frac{34}{50}=\frac{17}{25}$
