Diane Trout (alienghic) wrote,
Diane Trout

Which is better?

Flight security that takes 45 minutes longer, but prevents terrorists blowing up a plane once every five years.
Faster security screening, but on average a plane load of people is killed every 5th year
You can't make that trade off!

Rough analysis...

life_expectancy = 75 # roughly
average_passenger_age = 30 # guessed
average_passengers_per_flight = 200 # guessed
minutes_life_lost_to_death = (life_expectancy-average_passenger_age) * 365 * 24 * 60

chance_per_year = 0.2
average_passangers_served_per_year = 50000 * 365

(chance_per_year * average_passengers_per_flight * minutes_life_lost) / (average_passangers_served_per_year) = minimum_shortened_security_screening

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