# Question: a Why might the number of yawns per minute by

(a) Why might the number of yawns per minute by students in a warm classroom not be a Poisson event?

(b) Give two additional examples of events per unit of time that might violate the assumptions of the Poisson model, and explain why.

(b) Give two additional examples of events per unit of time that might violate the assumptions of the Poisson model, and explain why.

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