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# Local EMS receives on average 2.2 emergency call dispatches every hour. For a randomly selected hour next week, calculate the following...

Local EMS receives on average 2.2 emergency call dispatches every hour. For a randomly selected hour next week, calculate the following probabilities, using the poisson distribution. Show all work.

a. Local EMS receives no dispatches, P(X=0)

b. Local EMS receives no more than 4 dispatches, P(X≤4)