The Number of Cars Waiting at a Certain Residential Neighborhood

question 31

Multiple Choice

The number of cars waiting at a certain residential neighborhood stoplight is observed at 6:00 a.m.on 160 different days.The observed sample frequencies are shown here. Under the null hypothesis of a uniform distribution,the expected number of days we would see 0 cars is

• A)10
• B)20
• C)30
• D)40

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Definitions:

Price

The amount of money required to purchase a good or service.

Quantity Supplied

Represents the amount of a good or service that producers are willing and able to sell at a given price over a specified period.

Demand and Supply Increases

A situation where both the demand and supply for a good or service rise, affecting its market equilibrium.

Equilibrium Price

The market price at which the quantity of goods supplied equals the quantity of goods demanded.