In experiment, a coin is flipped 30 times and the results are

{H, H, H, T, T, T, T, H, T, H, H, T, H, H, H, T, T, H, H, H, T, H, T, T, H, T, H, H, H, H}.

To find the experimental probability of flipping heads, we count the number of times heads was flipped and divide by the total number of flips.

Number of heads flipped: 19

Experimental probability: Number of heads flipped / Total number of flips
Experimental probability = 19 / 30
Experimental probability = 0.6333 or 63.33%

So, the experimental probability of flipping heads in this experiment is 63.33%.