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Category > Statistics Posted 03 Jun 2017 My Price 3.00

Because not all airline passengers show up for their reserved seat

Because not all airline passengers show up for their reserved seat, an airline sells 125 tickets for a flight that holds only 120 passengers. The probability that a passenger does not show up is 0.10, and the passengers behave independently.

(a) What is the probability that every passenger who shows up gets a seat?

(b) What is the probability that the flight departs with empty seats?

(c) What are the mean and standard deviation of the number of passengers who show up?

 

Answers

Alpha Geek
(8)
Status NEW Posted 03 Jun 2017 07:06 AM My Price 3.00

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file 1496474716-2090358_1_636320222712696326_2090358.docx preview (11 words )
----------- c)----------- Me-----------an -----------of -----------bin-----------omi-----------al -----------dis-----------tri-----------but-----------ion----------- = -----------np=-----------125-----------*0.-----------90=-----------108----------- S-----------tan-----------dar-----------d d-----------evi-----------ati-----------on -----------of -----------bin-----------omi-----------al -----------dis-----------tri-----------but-----------ion-----------: -----------3.2-----------8-----------
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