Using it's concept, it is found that there is a 0.45 = 45% experimental probability of the coin landing on tails.
A probability is given by the number of desired outcomes divided by the number of total outcomes.
For an experimental probability, these number of outcomes are taken from previous trials.
In this problem, 9 out of 20 trials resulted in tails, hence the experimental probability is given by:
p = 9/20 = 0.45 = 45%.
More can be learned about probabilities at https://brainly.com/question/14398287
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