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If the probability that a flight will be delayed is 0.21, then the probability that it...

If the probability that a flight will be delayed is 0.21, then the probability that it will not be delayed must be?

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Answer #1

Probability of the complement of an event) = 1 - Probability of the event

P(the flight will not be delayed) = 1 - P(the flight will be delayed)

= 1 - 0.21

= 0.79

Probability that the flight will not be delayed must be 0.79

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