The airline industry defines no-shows as passengers who have purchased a ticket
ID: 3159299 • Letter: T
Question
The airline industry defines no-shows as passengers who have purchased a ticket but fail to arrive at the gate on time for departure. United Airlines operates many flights from Philadelphia to Dallas and experienced the following no-show probability distribution last year.
The following data represent the number of no-shows that occurred on a random sample of 120 flights between these two cities this year.
United Airlines would like to know if the probability distribution of no-shows has changed between last year and this year on flights between these two cities using significance level alpha = 0.05. The critical value for this hypothesis test is ________.
Question data file: Final_Q8.xlsx
Question 8 options:
9.448
5.991
7.815
11.070
No-shows 0 1 2 3 4 5 Probability 5% 15% 20% 30% 20% 10%Explanation / Answer
This accounts for Chi-sqaure Goodness of Fit test. At alpha=0.05, and df=5[df=(c-1)], the X^2critical=11.070
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