Assume that the number of customers who arrive at a water ice stand follows the Poisson distribution with an average rate of 6.4 per 30 minutes. What is the probability that three or four customers will arrive during the next 30 minutes?

18.88% probability that three or four customers will arrive during the next 30 minutes

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

In which

x is the number of sucesses

e = 2.71828 is the Euler number

is the mean in the given time interval.

Average rate of 6.4 per 30 minutes.

This means that

What is the probability that three or four customers will arrive during the next 30 minutes?

18.88% probability that three or four customers will arrive during the next 30 minutes

here is the

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the answer to your question is c.)   volcanoes built the mountains and earthquakes tore them down.

step-by-step explanation: