The type of probability that reed was trying to find is; Classical Probability
Classical probability is defined as the statistical concept that measures the likelihood of something happening. It is also defined as the concept where every statistical experiment contains elements that are equally likely to happen.
In a nutshell, A classical probability is given by the number of desired outcomes divided by the number of total outcomes, considering no prior results of the experiments.
Read more about Classical Probability at; https://brainly.com/question/24761592