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3) Approximately 10% of all flight departing from Philadelphia International Airport are delayed. A sample of 25 flights is studied. Write probabilities to three decimal

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3) Approximately 10% of all flight departing from Philadelphia International Airport are delayed. A sample of 25 flights is studied. Write probabilities to three decimal places. a) What is the sample size? b) What is the probability of success? 10 c) Find the probability that exactly 0 of the flights were delayed. d) Find the probability that at most 4 of the flights were delayed. e) Find the mean. f) Find the standard deviation

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