A Local Transportation Planning Group Is Concerned About the Lack

question 122

Essay

A local transportation planning group is concerned about the lack of car-pooling on the part of commuters.They are afraid that the proportion of local drivers car-pooling is below the national average of 15%.A survey of 400 local drivers reveals that 12.22% of them car pool.Is there evidence that the actual proportion of local commuters car-pooling is less than 15%? Test at the 10% level of significance.

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Definitions:

Folkway

Informal norms or everyday habits that shape daily behavior but whose violation does not carry serious consequences.

Peace Sign

A symbol widely used to represent peace; it consists of a circle with three lines within it, projecting an image of a bird's foot or the semaphore signals for the letters N and D, standing for nuclear disarmament.

Symbol

A mark, sign or word that indicates, signifies, or is understood as representing an idea, object, or relationship.

Pheromones

Chemical substances produced and released into the environment by an animal, affecting the behavior or physiology of others of its species.