A survey of property owners' opinions about a street-widening project was taken to determine if owners' opinions were related to the distance between their home and the street. A randomly selected sample of 100 property owners was contacted and the results are shown next. 
What is the expected frequency for people who are undecided about the project and have property front-footage between 45 and 120 feet?
Definitions:
Unsprung Weight
The weight of the components of a vehicle that are not supported by the suspension system, affecting handling and comfort.
Adaptive Suspension
A suspension designed to adjust to load and road conditions. On trucks, this usually means an air suspension system. Adaptive suspensions can be either nonelectronic or electronically controlled. The term active suspension is also used.
Chassis Load Conditions
Refers to the various states of load (e.g., weight, distribution, dynamic forces) that a vehicle frame is subjected to during operation.
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