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

question 46

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 conclusion for this hypothesis would be that because the test statistic is __________________________________________________________________________.

• A) the test statistic is greater than the critical value;we can reject the null hypothesis and conclude that the proportions for no-shows has changed from last year to this year
• B) the test statistic is less than the critical value;we can reject the null hypothesis and conclude that the proportions for no-shows has changed from last year to this year
• C) the test statistic is greater than the critical value;we cannot reject the null hypothesis and conclude that the proportions for no-shows has changed from last year to this year
• D) the test statistic is less than the critical value;we cannot reject the null hypothesis and conclude that the proportions for no-shows has changed from last year to this year

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Definitions:

Pain Reduction

The process or methods employed to decrease, alleviate, or eliminate pain experienced by an individual.

Body Temperature

The measure of the body's ability to generate and get rid of heat, reflecting the balance between heat production and heat loss.

Conditioned Stimuli

Stimuli that were originally neutral but have become associated with a particular response after being paired with an unconditioned stimulus.

Responding Levels

Refers to the degree or intensity of an organism's reaction to a stimulus or a series of stimuli.