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Point Estimate on Survey Results

17. A Louis Harris poll used a survey of 1008 adults to learn about how people feel about the economy (Business Week,August 7, 2000). Responses were as follows:
595 adults The economy is growing.
332 adults The economy is staying about the same.
81 adults The economy is shrinking.

Develop a point estimate of the following population parameters.
a. The proportion of all adults who feel the economy is growing.
b. The proportion of all adults who feel the economy is staying about the same.
c. The proportion of all adults who feel the economy is shrinking.

Solution Preview

17. A Louis Harris poll used a survey of 1008 adults to learn about how people feel about the economy (Business Week,August 7, 2000). Responses were as follows:
595 adults The economy is growing.
332 adults The economy is staying about the same.
81 adults The economy is ...

Solution Summary

This solution determines point estimates for the proportion of all adults who feel the economy is growth, staying the same and shrinking. All workings are shown with brief explanations.

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