United Airlines' flights from Tallahassee to New York are on time 90% of the time. Suppose 9 flights are randomly selected, and the number on time flights is recorded. Determine the following probabilities. Round solutions to four decimal places, if necessary.

The probability that 4 flights are on time is:

P(x = 4)

the probability that at most 6 flights are on time is:

P( x < 6)

The probability that at least 7 flights are on time is:

P( x> 7)

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