Cars arrive randomly at a tollbooth at a rate of 20 cars per 10 minutes during rush hour. What is the probability that exactly five cars will arrive over a five-minute interval during rush hour?

3.78% probability that exactly five cars will arrive over a five-minute interval during rush hour

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.

20 cars per 10 minutes

So for 5 minutes,

What is the probability that exactly five cars will arrive over a five-minute interval during rush hour?

This is P(X = 5).

3.78% probability that exactly five cars will arrive over a five-minute interval during rush hour

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step-by-step explanation: