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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.

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Definitions:

Genetic Factors

Components of an organism's genetic makeup that influence its characteristics, including physical appearance, behavior, and susceptibility to certain diseases.

Theories

Systematic sets of ideas and principles designed to explain certain phenomena or observations, which are supported by evidence and can predict outcomes or behaviors.

Child Development

The study of how children grow, change, and learn across different aspects of development, including physical, cognitive, and social-emotional domains.

Sensitive Periods

Critically defined phases in early development during which the individual is particularly receptive to certain stimuli or learning experiences.