I would grade this explanation poorly, because it is wrong. It's impossible to know the odds of an apparent effect coming from random data fluctuations or a re

I would grade this explanation poorly, because it is wrong. It's impossible to know the odds of an apparent effect coming from random data fluctuations or a real effect. The p-value cannot tell you these odds. The p-value only tells you one half of that---the odds that random fluctuations would cause an apparent effect.