-2 is the answer because a number that had a negitve is negative
Multiply the two, and you will have 3/500. It’s already as simplified as it can be so that is the answer.
Answer: 
Step-by-step explanation:
Given
The total no of beads is 52
there 13-red,13-blue,13-green, and 13-black
favorable outcomes to select a blue bead is 13
Total outcomes are 52
Probability is given by

The answer to your question is 1 and 1/2