(Answered) Question during my office hours from 1pm to 4pm an average

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Question: During my office hours (from 1pm to 4pm), an average of about 1 student per hour comes in for help. Assuming that the probability of a student coming in is uniform throughout my office hours, what are the odds that on a particular day I would have 6 students come in for help? What is the mean number of students that will come see me on a particular day? Variance? Standard deviation?

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