Question

Use technology​ (such as a Poisson​ calculator) to find the probabilities shown below. Then determine if...

Use technology​ (such as a Poisson​ calculator) to find the probabilities shown below. Then determine if the events are unusual.

The mean number of oil tankers at a port city is

10

per day. The port has facilities to handle up to

12

oil tankers in a day. Find the probability that on a given​ day, (a)

ten

oil tankers will​ arrive, (b) at most three oil tankers will​ arrive, and​ (c) too many oil tankers will arrive.

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