The meaning of the estimated probability is that; there is 25% chance that the email will be spam.
Probability is the chance that an event will happen or occur. Now, we are told that you obtained an estimated probability of 0.75.
Now, from the way the question is put forth, we can say that the probability that the email will not be spam is 0.75 or 75%.
Thus, we can conclude that the meaning of the given probability when placed in context of what you are trying to predict is that;
There is 25% chance that the email will be spam.
Read more about Probability at; https://brainly.com/question/251701
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