A magazine provided results from a poll of 1500 adults who were asked to identify their favorite pie. Among the 1500 ​respondents, 14​% chose chocolate​ pie, and the margin of error was given as ±5 percentage points. Describe what is meant by the statement that​ "the margin of error was given as ±5 percentage​ points." Choose the correct answer below.     A. The statement indicates that the study is only 5​% confident that the true population percentage of people that prefer chocolate pie is exactly 14​%.   B. The statement indicates that the true population percentage of people that prefer chocolate pie is in the interval 14​%±5​%.   C. The statement indicates that the interval 14​%±5​% is likely to contain the true population percentage of people that prefer chocolate pie.

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A:

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.