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Delta Airlines' flights from Denver to Dallas are on time 80 % of the time. Suppose 7 flights are randomly selected, and the number on-time flights is recorded.
Round answers to 3 significant figures.

The probability that exactly 4 flights are on time is =


The probability that at most 3 flights are on time is =


The probability that at least 6 flights are on time is =

Sagot :

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