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Chapter 2: Q31. (page 106)

The circle graph at the right shows the results of a survey that asked, "How likely is it that you will be rich some day?" If the margin of error is 卤4%what is the range of the percent of teens who say it is very likely that they will be rich?

Short Answer

Expert verified

The range is 11%to 19%.

Step by step solution

01

Step-1. Construct the given pie chart.

The given pie chart is shown below in which margin of error is 卤4%

02

Step-2. Considering range of percentage of teens.

Let the range of percentage of teens who say that it is very likely that they will become rich be x.

03

Step-3. Evaluate range of percentage of teens.

This range of percentage of such teens can be calculated as:

x=15%(fromthepie-chart)卤4%(marginoferror)x=15%鈭�4%to15%+4%x=11%to19%

Therefore, the range of percentage of teens who say that it is very likely that they will be rich is 11%to 19%.

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