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During summer weekdays, boats arrive at the inlet drawbridge according to the Poisson distribution at a rate of 4 per hour. Express your answer as

During summer weekdays, boats arrive at the inlet drawbridge according to the Poisson distribution at a rate of 4 per hour.

Express your answer as a number to 4 decimal places using standard rounding rules.

What is the probability that no boats arrive in a 2-hour period?

What is the probability that 1 boat arrives in a 2-hour period?

What is the probability that 2 boats arrive in a 2-hour period?

What is the probability that 2 or more boats arrive in a 2-hour period?

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