Most Major Airlines Allow Passengers to Carry Two Pieces of Luggage

question 127

Multiple Choice

Most major airlines allow passengers to carry two pieces of luggage (of a certain maximum size) onto the plane. However, their studies show that the more carry-on baggage passengers have, the longer it takes to unload and load passengers. One regional airline is considering changing its policy to allow only one carry-on per passenger. Before doing so, it decided to collect some data. Specifically, a random sample of 1,000 passengers was selected. The passengers were observed, and the number of bags carried on the plane was noted. Out of the 1,000 passengers, 345 had more than one bag. Suppose the airline also noted whether the passenger was male or female. Out of the 1,000 passengers observed, 690 were males. Of this group, 280 had more than one bag. Using this data, obtain and interpret a 95% confidence interval estimate for the proportion of male passengers in the population who would have been affected by the one-bag limit.

• A) (0.2815, 0.5124)
• B) (0.3361, 0.4712)
• C) (0.3692, 0.4424)
• D) (0.3814, 0.4125)

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Definitions:

Mindfulness

A moment-to-moment present awareness with an attitude on non-judgment, acceptance, and openness. Mindfulness meditative practices are effective in reducing psychological and physical symptoms or perceptions of stress.

Tolerate Uncertain

The ability to remain calm and functional despite not knowing outcomes or having incomplete information.

Autonomic Physiological Functions

Bodily functions that are not consciously controlled, such as heart rate, digestion, and respiratory rate.

Biofeedback

A technique that teaches patients to control bodily processes that are normally involuntary, like heart rate or blood pressure, through monitoring and feedback.