Poisson Customers

Damon is working the evening shift at the register of his retail job. There are currently two registers open, but his coworker is about to go home for the day and close her register.

The number of customers approaching each register is an independent Poisson random variable. If each register was getting an average of 2 customers per minute, what is the probability that Damon will have more than 4 customers approaching his register in minute after his coworker goes home?

Round your answer to 3 decimal places.

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