The Average Speed Cars Travel on a Road Is 77

question 48

Multiple Choice

The average speed cars travel on a road is 77 km/h.A car travelling 60 km/h has a z-score of -1.7.Find the standard deviation.

• A)40 km/h
• B)10 km/h
• C)30 km/h
• D)0.5 km/h
• E)1 km/h

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Definitions:

Surplus

A situation where the quantity supplied exceeds the quantity demanded, or when revenues exceed expenses.

Easily Stored

Refers to items or data that can be kept or archived with minimal effort or resources.

Current Supply

The total amount of a particular good or service available to consumers at the current time.

Price Floor

A government- or group-imposed price control that sets the lowest legal price a commodity can be sold at to prevent market prices from falling below a certain level.