I believe it’s B, i am not for sure though, just by context clues in the text, he seems to use them to get information of when the attack is
If a fair die is rolled, the probability that it would be heads or tails would be 1/2 because there are only two possible outcomes.
<h3>What is Probability?</h3>
This refers to the likelihood of an event occurring from a list of possible outcomes.
Hence, we can see that your question is incomplete so I gave you a general overview to help you get a better understanding of the concept.
Read more about probability here:
brainly.com/question/24756209
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B because it will itroduce it in the main idea.