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When someone buys the person will not shc probability that if 21 ti the flight.

When someone buys the person will not shc probability that if 21 ti the flight.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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When someone buys a ticket for an airline flight, there is a 0.0995 probability that the person will not show up for the flight. An airplane has 19 seats. What is the probability that if 21 tickets are sold no more than 19 passengers will show up for the flight. O 0.3486 O 0.6324 O 0.7431 0.5887
Transcribed Image Text:When someone buys a ticket for an airline flight, there is a 0.0995 probability that the person will not show up for the flight. An airplane has 19 seats. What is the probability that if 21 tickets are sold no more than 19 passengers will show up for the flight. O 0.3486 O 0.6324 O 0.7431 0.5887
Expert Solution
Step 1

According to the sum,

Let X be the event that the number of persons failed to show up for the flight. So, X~Bin(21,0.0995)

p is the probability that a person will not show up =0.0995.

q=(1-p), is the probability that a person will show up =1- 0.0995.

No more than 19 passengers , So X≥2

[ As no more than 19 passengers, So, 21-X≤19 and X≥2]

 

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