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An article reported that what airline passengers like to do most on long flights is rest...

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Statistics

An article reported that what airline passengers like to do moston long flights is rest or sleep; in a survey of 3697 passengers,almost 80% did so. Suppose that for a particular route the actualpercentage is exactly 80%, and consider randomly selecting ninepassengers. Then x, the number among the selected nine whorested or slept, is a binomial random variable with n = 9and p = 0.8. (Round your answers to four decimalplaces.)

(a) Calculate p(6).

b) Calculate p(9), the probability that all nineselected passengers rested or slept.
p(9) =  

(c) Determine P(x ≥ 6).

Answer & Explanation Solved by verified expert
3.7 Ratings (576 Votes)
Solution X is binomial distributed random variable with parameter n 9and p 08According to binomial    See Answer
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