Based on the fact that a hypothesis is not stated and Dr. Rains makes a hypothesis about what would happen during an experiment, it is clear that he is making an educated guess.
This is purely conjectured as it has to do with little or no evidence about a thing and is not considered a fact until proven otherwise.
This refers to the educated guess that is used during reasonable thinking, in order to find the answer to a scientific question.
Based on the fact that a hypothesis is not stated and Dr. Rains makes a hypothesis about what would happen during an experiment, it is clear that he is making an educated guess.
This is purely conjectured as it has to do with little or no evidence about a thing and is not considered a fact until proven otherwise.
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 hypothesis here:
https://brainly.com/question/606806
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