1. Determine the probability mass function of the number of passengers (X) who show up for the flight. 2. Find the probability that the flight departs with empty seats. 3. Calculate the mean and variance of X.

1. Determine the probability mass function of the number of passengers (X) who show up for the flight. 2. Find the probability that the flight departs with empty seats. 3. Calculate the mean and variance of X.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Exercise 5.1. Because all airline passengers do not show up for their reserved seat, an airline sells n=125 tickets for a flight that holds only 120 passengers. The probability thar a passenger does not show up is 0.10. Assume that the passengers behave inddependently.

1. Determine the probability mass function of the number of passengers
(X) who show up for the flight.
2. Find the probability that the flight departs with empty seats.
3. Calculate the mean and variance of X.

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