Henry tossed a coin several times and recorded the number of heads and tails in the following table:

To find the experimental probability of getting heads, divide the number of times heads occurred by the total number of tosses:

Probability of getting heads = Number of heads / Total number of tosses
Probability of getting heads = 12 / (12 + 18) = 12 / 30 = 0.4

Therefore, the experimental probability of getting heads is 0.4.