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In the airport there are 10 airplanes waiting to board. If each airplane has the same seat distribution, 20 first class, 40 business class and 140 economy class and they are boarding randomly: what is the probability that the first passenger boarding in 4 of the 10 airplanes is from the economy class. What is the mean of this distribution?

In the airport there are 10 airplanes waiting to board. If each airplane has the same seat distribution, 20 first class, 40 business class and 140 economy class and they are boarding randomly: what is the probability that the first passenger boarding in 4 of the 10 airplanes is from the economy class. What is the mean of this distribution?

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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In the airport there are 10 airplanes waiting to board. If each airplane has the same seat distribution, 20 first class, 40 business class and 140 economy class and they are boarding randomly: what is the probability that the first passenger boarding in 4 of the 10 airplanes is from the economy class. What is the mean of this distribution?
Transcribed Image Text:In the airport there are 10 airplanes waiting to board. If each airplane has the same seat distribution, 20 first class, 40 business class and 140 economy class and they are boarding randomly: what is the probability that the first passenger boarding in 4 of the 10 airplanes is from the economy class. What is the mean of this distribution?
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