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A news reporter states that a study shows that 63% of people prefer vanilla ice cream to chocolate ice cream, plus or minus 2% points. The margin of error in this example is _____.

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Answer:  21

Why: 21/2321

Using the concept of a confidence interval, it is that the margin of error in this example is of 2%.

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A confidence interval for a percentage is written in the following format:

[tex]P \pm M[/tex]

That is, the percentage is of P, plus of minus M points, in which M is the margin of error.

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  • In this question, the percentage is 63% plus or minus 2%, thus, the margin of error is of 2%.

A similar problem is given at https://brainly.com/question/21496409

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