PLZ HELP WILL GIVE BRAINLIEST!!!!! AND 20 POINTS!!!!!!!!!!!!!!

A board game uses a number spinner that is divided into four equal sections. A game tester spins the dial 20 times, 100 times, and then 500 times. She records the results in a frequency table.

Number of trials
Outcomes 20 100 500
1. 4 19 120
2. 6 32 127
3. 7 28 132
4. 3 21 121
based on the test using 500 spins, what is the experimental probability of spinning a 4?