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According to an airline, flights on a certain route are on time 80% of the time. Suppose 15 flights are randomly selected and the number
According to an airline, flights on a certain route are on time 80% of the time. Suppose 15 flights are randomly selected and the number of on-time flights is recorded. (a) Explain why this is a binomial experiment. (b) Find and interpret the probability that exactly 10 flights are on time. (c) Find and interpret the probability that fewer than 10 flights are on time. (d) Find and interpret the probability that at least 10 flights are on time. (e) Find and interpret the probability that between 8 and 10 flights, inclusive, are on time. (b) The probability that exactly 10 flights are on time is (Round to four decimal places as needed.) Interpret the probability. In 100 trials of this experiment, it is expected about to result in exactly 10 flights being on time. (Round to the nearest whole number as needed. (c) The probability that fewer than 10 flights are on time is (Round to four decimal places as needed.) Interpret the probability. In 100 trials of this experiment, it is expected about to result in fewer than 10 flights being on time. (Round to the nearest whole number as needed.) Tim 72" F Cloudy 14 101 4- + 144 DDI prt sc & Q W E R T U O P A S D F G H K X C B N M alt ctriAccording to an airline, flights on a certain route are on time 80% of the time. Suppose 15 flights are randomly selected and the number of on-time flights is recorded. (a) Explain why this is a binomial experiment. (b) Find and interpret the probability that exactly 10 flights are on time. (c) Find and interpret the probability that fewer than 10 flights are on time. (d) Find and interpret the probability that at least 10 flights are on time. (e) Find and interpret the probability that between 8 and 10 flights, inclusive, are on time. (d) The probability that at least 10 flights are on time is . Round to four decimal places as needed.) Interpret the probability. In 100 trials of this experiment, it is expected about to result in at least 10 flights being on time. (Round to the nearest whole number as needed.) (e) The probability that between 8 and 10 flights, inclusive, are on time is (Round to four decimal places as needed.) Interpret the probability. In 100 trials of this experiment, it is expected about | to result in between 8 and 10 flights, inclusive, being on time. (Round to the nearest whole number as needed.) 72'F Cloudy . . 19 144 10 DII 1 DDI $12 7 14 101 @ # = 2 3 4 O 9 Q W E R T U O P S D F G H K X C V B N M
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