Is this a poisson distribution problem?

in a Retirement living business on average occupants vacate after 15.6 years. What is the probability that one occupant with 8 years will vacate next

in a Retirement living business on average occupants vacate after 15.6 years. What is the probability that one occupant with 8 years will vacate next year?
Is this a poisson distribution problem?

or:in a Retirement living business on average occupants vacate after 15.6 years. What is the probability that one occupant with 8 years will vacate next year?Is this a poisson distribution problem?

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