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# Compute Probabilities: Airline Passengers Arrive in Several Time Periods

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Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. The mean arrival rate is 10 passengers per minute.

Compute the probability of no arrivals in a 1 minute period.
Compute the probability that 3 or fewer passengers arrive in a 1 minute period.
Compute the probability of no arrivals in a 15 second period.
Compute the probability of at least 1 arrival in a 15 second period.

https://brainmass.com/statistics/probability/compute-probabilities-airline-passengers-arrive-in-several-time-periods-315744

#### Solution Preview

P(x) = e^-m * m^x / x!

(a) m = 10, x = 0

P(0) = e^-10 * 10^0 / 0! = 0.000045

(b) ...

#### Solution Summary

This solution provides step-by-step calculations for computing probability.

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