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The Airline Industry Defines "No-Shows" as Passengers Who Have Purchased

Question 97

Multiple Choice

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. The table below represents the observed number of no-shows that occurred on a random sample of 120 flights between Philadelphia and Dallas this year, and experienced the no-show proportions last year. 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. The table below represents the observed number of no-shows that occurred on a random sample of 120 flights between Philadelphia and Dallas this year, and experienced the no-show proportions last year.   United Airlines would like to know if the proportion of no-shows has changed between last year and this year on flights between these two cities using α = 0.05. The conclusion for this hypothesis would be that because the test statistic is ________. A)  Reject the null hypothesis, we cannot conclude that the proportions for no-shows has changed from last year to this year B)  Reject the null hypothesis, we can conclude that the proportions for no-shows has changed from last year to this year C)  Do not reject the null hypothesis, we cannot conclude that the proportions for no-shows has changed from last year to this year D)  Do not reject the null hypothesis, we can conclude that the proportions for no-shows has changed from last year to this year United Airlines would like to know if the proportion of no-shows has changed between last year and this year on flights between these two cities using α = 0.05. The conclusion for this hypothesis would be that because the test statistic is ________.


A) Reject the null hypothesis, we cannot conclude that the proportions for no-shows has changed from last year to this year
B) Reject the null hypothesis, we can conclude that the proportions for no-shows has changed from last year to this year
C) Do not reject the null hypothesis, we cannot conclude that the proportions for no-shows has changed from last year to this year
D) Do not reject the null hypothesis, we can conclude that the proportions for no-shows has changed from last year to this year

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