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

question 44

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. United Airlines would like to know if the proportions of no-shows has changed between last year and this year on flights between these two cities using α = 0.05. The test statistic for this sample is ________.

• A) 4.28
• B) 6.19
• C) 7.50
• D) 9.33

---

Definitions:

Manic Episode

A period of abnormally elevated or irritable mood, heightened energy, and activity levels, often associated with bipolar disorder.

Obsessive-Compulsive Disorder

A mental health disorder characterized by recurrent, unwanted thoughts (obsessions) and repetitive behaviors (compulsions) that the individual feels driven to perform.

Panic Attack

A sudden onset of intense fear or discomfort, accompanied by physical and psychological symptoms, often occurring without an obvious cause.

Ketchup Dispenser

A device or container designed for storing and dispensing ketchup.