Of 120 Clock Radios Sold Recently in a Department Store

question 103

Essay

Of 120 clock radios sold recently in a department store, 110 had FM circuitry, and 100 had AM circuitry.
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How many radios had both FM and AM circuitry? __________
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How many could receive FM transmission only? __________
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How many could receive AM transmission only? __________

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Definitions:

Assumed

Something that is taken for granted or accepted as true without proof or demonstration.

Diffusion Of Responsibility

The feeling among bystanders at an emergency that the responsibility for helping is shared by the group, making each person feel less compelled to act than if he or she alone bore the total responsibility.

Darley And Latané

Psychologists known for their research on the bystander effect, illustrating how individual responsibility is diluted in the presence of others.

Bystander Effect

A behavioral pattern observed in social psychology where people are less inclined to assist someone in need when there are others around.